{"id":7442,"date":"2023-12-18T10:18:06","date_gmt":"2023-12-18T04:48:06","guid":{"rendered":"https:\/\/envisionmathanswerkey.com\/?p=7442"},"modified":"2023-12-19T10:00:54","modified_gmt":"2023-12-19T04:30:54","slug":"envision-math-common-core-grade-3-answer-key-topic-16","status":"publish","type":"post","link":"https:\/\/envisionmathanswerkey.com\/envision-math-common-core-grade-3-answer-key-topic-16\/","title":{"rendered":"enVision Math Common Core Grade 3 Answer Key Topic 16 Solve Perimeter Problems"},"content":{"rendered":"

Go through the\u00a0enVision Math Common Core Grade 3 Answer Key<\/a>\u00a0Topic 16 Solve Perimeter Problems<\/strong>\u00a0regularly and improve your accuracy in solving questions.<\/p>\n

enVision Math Common Core 3rd Grade Answers Key Topic 16 Solve Perimeter Problems<\/h2>\n

Essential Question:<\/strong>
\nHow can perimeter be measured and found?
\n\"Envision<\/p>\n

    \n
  • enVision STEM Project: What Lives Here?<\/strong>
    \nDo Research Use the Internet or other sources to research habitats. Include a list of animals that can survive in a certain habitat and some that could not survive there.<\/li>\n<\/ul>\n

    Journal: Write a Report Include what you found. Also in your report:<\/p>\n

      \n
    • Draw a picture on grid paper to represent one of the habitats you researched. Label the habitat to show what you might find there. Count the number of square units or the area the habitat measures.<\/li>\n
    • Find the perimeter of the habitat. Then find another possible perimeter with the same area.<\/li>\n<\/ul>\n

      Review What You Know<\/strong><\/p>\n

      Vocabulary<\/strong>
      \nChoose the best term from the box. Write it on the blank.<\/p>\n

        \n
      • area<\/li>\n
      • rectangle<\/li>\n
      • square units<\/li>\n
      • unit square<\/li>\n<\/ul>\n

        Question 1.
        \nIf 14 unit squares cover a figure, the area is 14 ________.
        \nAnswer:
        \nIf 14 unit squares cover a figure, the area is 14 Square units.<\/p>\n

        Question 2.
        \nYou can use square meters or square feet to measure _________.
        \nAnswer:
        \nYou can use square meters or square feet to measure Area.<\/p>\n

        Question 3.
        \nA square with a side length of 1 unit is a _________.
        \nAnswer:
        \nA square with a side length of 1 unit is a Unit Square.<\/p>\n

        \"Math<\/p>\n

        Area of Figures<\/strong><\/p>\n

        Find the area for each figure. Use grid paper to help.
        \nQuestion 4.
        \n\"Envision
        \nAnswer:
        \n\"Envision-Math-Common-Core-3rd-Grade-Answer-Key-Topic-16-Solve-Perimeter-Problems-2\"<\/p>\n

        Question 5.
        \n\"Envision
        \nAnswer:
        \n\"Envision-Math-Common-Core-3rd-Grade-Answer-Key-Topic-16-Solve-Perimeter-Problems-3\"<\/p>\n

        Question 6.
        \nThe area of a rectangle is 32 square centimeters. The rectangle is 4 centimeters wide. How long is the rectangle?
        \nA. 4 centimeters
        \nB. 8 centimeters
        \nC. 16 centimeters
        \nD. 32 centimeters
        \nAnswer:
        \nB. 8 centimeters<\/p>\n

        Area of Irregular Shapes<\/strong><\/p>\n

        Question 7.
        \nWhat is the area of the figure at the right? Explain how you solved this problem.
        \n\"Envision
        \nAnswer:
        \nThe total area of the figure: 10 + 4 + 2 + 8 + 8 = 32 cm
        \nThe area of the figure at the right is 22cm. The solved this question by adding the digits which are in right side of the figure.<\/p>\n

        Dividing Regions into Equal Parts<\/p>\n

        Question 8.
        \nCircle the shapes that show equal parts. For those shapes, label one of the parts using a unit fraction.
        \n\"Envision
        \nAnswer:<\/p>\n

        Pick a Project<\/strong><\/p>\n

        PROJECT 16A
        \nWhere is sugar cane grown?
        \nProject: Design a Sugarcane Field
        \n\"Envision<\/p>\n

        PROJECT 16B
        \nWhat does an interior designer do?
        \nProject: Collect Data on Common Objects
        \n\"Envision<\/p>\n

        PROJECT 16C
        \nWhat does a builder actually build?
        \nProject: Create a Perimeter Game
        \n\"Envision<\/p>\n

        PROJECT 16D
        \nWhy is it helpful to have a reservation at a restaurant?
        \nProject: Create a Poster for a Restaurant Seating Chart
        \n\"Envision<\/p>\n

        Lesson 16.1 Understand Perimeter<\/h3>\n

        Solve & Share<\/strong>
        \nTroy made a drawing of his garden. Each square in the grid below has a side length of 1 foot. Find the distance around Troy’s garden. Then use grid paper to draw a different garden shape that has the same distance around.
        \nI can … find the perimeter of different polygons.
        \n\"Envision<\/p>\n

        Look Back! Use words, numbers, and symbols to explain how you found the distance around Troy’s garden.
        \nAnswer:
        \nEssential Question<\/strong>
        \nHow Do You Find Perimeter?<\/p>\n

        Visual Learning Bridge
        \nGus wants to put up a fence to make a dog park. He made two different designs. What is the perimeter of each dog park design? Which design should Gus use?
        \n\"Envision<\/p>\n

        One Way
        \nYou can find the perimeter by counting unit segments.
        \n\"Envision
        \nThe perimeter is 34 feet.
        \n34 > 30. Gus could use this design.<\/p>\n

        Another Way
        \nAdd the lengths of the sides to find the perimeter.
        \n\"Envision
        \n3 + 9 + 7 + 3 + 6 = 28
        \nThe perimeter is 28 feet.
        \n28 < 30. Gus could not use this design.<\/p>\n

        Convince Me! Model with Math Draw a different dog park design that Gus could use. Find the perimeter of your design.<\/p>\n

        Guided Practice<\/strong><\/p>\n

        Do You Understand?<\/strong>
        \nQuestion 1.
        \nWhat is the perimeter of the garden shown in the diagram below?
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 2.
        \nIn Exercise 1, how do you know what unit to use for the perimeter?
        \nAnswer:<\/p>\n

        \"Math<\/p>\n

        Do You Know How?<\/strong>
        \nIn 3 and 4, find the perimeter.
        \nQuestion 3.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 4.
        \n\"Envision
        \nAnswer:<\/p>\n

        Independent Practice<\/strong><\/p>\n

        Leveled Practice In 5-7, find the perimeter of each polygon.
        \nQuestion 5.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 6.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 7.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 8.
        \nOn the grid below, draw a figure with a perimeter of 20 units.
        \n\"Envision
        \nAnswer:<\/p>\n

        Problem Solving<\/strong><\/p>\n

        Question 9.
        \nNiko makes beaded necklaces in three different sizes. How many more beads does it take to make 2 medium necklaces than 1 large necklace? Write equations to solve.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 10.
        \nJani put this sticker on his notebook. What is the perimeter of the sticker?
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 11.
        \nReasoning<\/strong> What is the perimeter of the shape below?
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 12.
        \nNumber Sense<\/strong> Jenny needs 425 cubes. There are 275 cubes in a large bag. There are 175 cubes in a small bag. Will one large bag and one small bag together have enough cubes? Explain.
        \nAnswer:<\/p>\n

        Question 13.
        \nHigher Order Thinking<\/strong> The perimeter of this trapezoid is 40 inches. What is the length of the missing side?
        \n\"Envision
        \nAnswer:<\/p>\n

        Assessment Practice<\/strong><\/p>\n

        Question 14.
        \nMr. Karas needs to find the perimeter of the patio shown at the right. What is the perimeter of the patio?
        \n\"Envision
        \nA. 48 yards
        \nB. 50 yards
        \nC. 52 yards
        \nD. 54 yards
        \nAnswer:<\/p>\n

        Lesson 16.2 Perimeter of Common Shapes<\/h3>\n

        Solve & Share<\/strong>
        \nWhat is the perimeter of the rectangle below? Show two ways to find the perimeter, other than measuring.
        \nI can … find the perimeter of polygons with common shapes.
        \n\"Envision<\/p>\n

        Look Back! How could you use addition and multiplication to find the perimeter?<\/p>\n

        Essential Question<\/strong>
        \nHow Can You Find the Perimeters of Common Shapes?<\/p>\n

        Visual Learning Bridge
        \nMr. Coe needs to find the perimeter of two swimming pool designs. One pool shape is a rectangle. The other pool shape is a square. What is the perimeter of each pool?
        \n\"Envision<\/p>\n

        Find the perimeter of the pool that has a rectangular shape.
        \n\"Envision<\/p>\n

        Find the perimeter of the pool that has a square shape.
        \n\"Envision
        \n9 + 9 + 9 + 9 = 36 or 4 \u00d7 9 = 36
        \nThe perimeter of this pool is 36 meters.<\/p>\n

        Convince Me! Make Sense and Persevere Darla drew the parallelogram at the right. Write equations that show how to find the perimeter.
        \n\"Envision<\/p>\n

        Another Example!<\/strong>
        \nAn equilateral triangle has 3 sides that are the same length.
        \n\"Envision
        \n4 + 4 + 4 = 12 or 3 \u00d7 4 = 12.
        \nSo, the perimeter of this equilateral triangle is 12 inches.<\/p>\n

        Guided Practice<\/strong><\/p>\n

        Do You Understand?<\/strong>
        \nQuestion 1.
        \nHow can you use multiplication and addition to find the perimeter of a rectangle with a length of 6 feet and width of 4 feet?
        \nAnswer:<\/p>\n

        Question 2.
        \nExplain how you can find the perimeter of a square with a side length of 7 cm.
        \nAnswer:<\/p>\n

        \"Math<\/p>\n

        Do You Know How?<\/strong>
        \nFor 3 and 4, find the perimeter.
        \nQuestion 3.
        \nRectangle
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 4.
        \nSquare
        \n\"Envision
        \nAnswer:<\/p>\n

        Independent Practice<\/strong><\/p>\n

        In 5-7, find the perimeter of each polygon.
        \nQuestion 5.
        \nSquare
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 6.
        \nRectangle
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 7.
        \nEquilateral triangle
        \n\"Envision
        \nAnswer:<\/p>\n

        Problem Solving<\/strong><\/p>\n

        In 8 and 9, use the picture at the right.
        \n\"Envision
        \nQuestion 8.
        \nThe base of the glass house to the right is a rectangle. What is the perimeter of the base of the house?
        \nAnswer:<\/p>\n

        Question 9.
        \nThe owner of the house decides to build an extension. The new base is 112 feet long and 64 feet wide. What is the new perimeter?
        \nAnswer:<\/p>\n

        Question 10.
        \nIdentify the number of sides and vertices in the hexagon below.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 11.
        \nCritique Reasoning<\/strong> Mark says he can find the perimeter of a square zoo enclosure by multiplying the length of one side by 4. Is Mark correct? Why or why not?
        \nAnswer:<\/p>\n

        Question 12.
        \nHigher Order Thinking<\/strong> Dan drew the trapezoid at the right. The top is 3 inches long. The bottom is twice as long as the top. The length of each side is 5 inches. How can you find the perimeter of the trapezoid? Label the lengths of the sides.
        \n\"Envision
        \nAnswer:<\/p>\n

        Assessment Practice<\/strong><\/p>\n

        Question 13.
        \nMikayla draws a rectangle with side lengths of 4 feet and 8 feet. What is the perimeter, in feet, of Mikayla’s rectangle?
        \nA. 12 feet
        \nB. 16 feet
        \nC. 20 feet
        \nD. 24 feet
        \nAnswer:<\/p>\n

        Question 14.
        \nEmma draws an equilateral triangle with side lengths of 5 inches each. What is the perimeter, in inches, of Emma’s triangle?
        \nA. 5 inches
        \nB. 10 inches
        \nC. 15 inches
        \nD. 20 inches
        \nAnswer:<\/p>\n

        Lesson 16.3 Perimeter and Unknown Side Lengths<\/h3>\n

        Solve & Share<\/strong>
        \nJon has 16 feet of wood that he uses to make a sandbox that has 4 sides. He makes sides with lengths of 6 feet, 5 feet, and 3 feet. What length should he make the fourth side to use all 16 feet of the wood?
        \nI can… find the unknown length of a polygon by using a known perimeter.
        \n\"Envision<\/p>\n

        Look Back! Describe the plan you used to solve the problem.<\/p>\n

        Essential Question<\/strong>
        \nHow Can You Find an Unknown Side Length from the Perimeter?<\/p>\n

        Visual learning Bridge
        \nLilia is making a decoration out of straws and cloth, with lace around the outside. How long should she cut the fourth straw to use all of the lace?
        \n\"Envision<\/p>\n

        Draw a bar diagram and write an equation.
        \nLet x = the length of the missing side.
        \nThe perimeter of the shape is 22 inches.
        \n\"Envision
        \n8 + 6 + 4 + x = 22
        \n18 + x = 22<\/p>\n

        Solve
        \n18 + x = 22
        \nThink: 18 plus what equals 22?
        \n18 + 4 = 22, s0 x = 4.
        \nSo, the fourth side should be 4 inches long.
        \n\"Envision<\/p>\n

        Convince Me! Look for Relationships If Lilia had 25 inches of lace, how would the length of the fourth straw change? Explain how to solve.<\/p>\n

        Guided Practice<\/strong><\/p>\n

        Do You Understand?<\/strong>
        \nQuestion 1.
        \nIn the problem on the previous page, why does x + 8 + 6 + 4 equal the perimeter, 22 inches?
        \nAnswer:<\/p>\n

        \"Math<\/p>\n

        Question 2.
        \nWrite an equation you could use to find the length of the missing side of this triangle with a perimeter of 23 cm. Then solve.
        \n\"Envision
        \nAnswer:<\/p>\n

        Do You Know How?<\/strong>
        \nIn 3 and 4, find the length of the missing side for each polygon so it has the perimeter given.
        \nQuestion 3.
        \nperimeter = 30 cm
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 4.
        \nperimeter = 25 ft
        \n\"Envision
        \nAnswer:<\/p>\n

        Independent Practice<\/strong><\/p>\n

        In 5-10, find the length of the missing side for each polygon so it has the perimeter given.
        \nQuestion 5.
        \nperimeter = 24 in.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 6.
        \nperimeter = 30 m
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 7.
        \nperimeter = 37 yd
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 8.
        \nperimeter = 37 cm
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 9.
        \nperimeter = 18 ft
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 10.
        \nperimeter = 32 in.
        \n\"Envision
        \nAnswer:<\/p>\n

        Problem Solving<\/strong><\/p>\n

        Question 11.
        \nThese plane figures each have equal sides that are whole numbers. One figure has a perimeter of 25 inches. Which could it be? Explain.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 12.
        \nenVision\u00ae STEM Letitia gave one garden 40 liters of water each day. She gave another garden 80 liters of water each day. How much more water did the second garden get in one week?
        \nAnswer:<\/p>\n

        Question 13.
        \nMake Sense and Persevere Mason has 18 feet of wood to frame a rectangular window. He wants the window to be 3 feet wide. What should be the length? Show how you know your answer is correct.
        \nAnswer:<\/p>\n

        Question 14.
        \nThe floor of Novak’s room is shown below. It has a perimeter of 52 feet. Write an equation to find the missing side length in Novak’s room.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 15.
        \nHigher Order Thinking<\/strong> The table shows the lengths of pipe Sonya has to make a picture frame. She wants the frame to have 5 sides and a perimeter of 40 inches. Draw and label a diagram of a possible picture frame Sonya could make.
        \n\"Envision
        \nAnswer:<\/p>\n

        Assessment Practice<\/strong><\/p>\n

        Question 16.
        \nMark draws the quadrilateral at the right with a perimeter of 28 cm. Select numbers from the box to write and solve an equation to find the missing side length.
        \n\"Envision
        \nAnswer:<\/p>\n

        Lesson 16.4 Same Perimeter, Different Area<\/h3>\n

        Solve & Share<\/strong>
        \nDraw 2 different rectangles with a perimeter of 10 units. Find the area of each rectangle. Compare the areas.
        \nI can … understand the relationship of shapes with the same perimeter and different areas.
        \n\"Envision<\/p>\n

        Look Back! Explain why the rectangles have different areas.<\/p>\n

        Essential Question<\/strong>
        \nCan Rectangles Have Different Areas but the Same Perimeter?<\/p>\n

        Visual Learning Bridge
        \nBeth, Nancy, and Marcia build rectangular pens for their rabbits. Each pen has a perimeter of 12 feet. Which rectangular pen has the greatest area?
        \n\"Envision<\/p>\n

        Beth’s Plan
        \nFind the perimeter:
        \nP = 5 + 1 + 5 + 1 = 12 feet
        \nTo find the area, multiply the number of rows by the number of square units in each row.
        \nA = 1 \u00d7 5 = 5 square feet
        \nBeth’s pen has an area of 5 square feet<\/p>\n

        Nancy’s Plan
        \nFind the perimeter:
        \nP = 4 + 2 + 4 + 2 = 12 feet
        \nFind the area:
        \nA= 2 \u00d7 4 = 8 square feet
        \nNancy’s pen has an area of 8 square feet.<\/p>\n

        Marcia’s Plan
        \nFind the perimeter:
        \nP = 3 + 3 + 3 + 3 = 12 feet
        \nFind the area:
        \nA = 3 \u00d7 3 = 9 square feet
        \nMarcia’s pen has an area of 9 square feet.
        \nMarcia’s pen has the greatest area.<\/p>\n

        Convince Me! Generalize Find possible rectangular pens that have a perimeter of 14 feet. Do they have the same area? What can you generalize from this information?<\/p>\n

        Guided Practice<\/strong><\/p>\n

        Do You Understand?<\/strong>
        \nQuestion 1.
        \nIn the plans on the previous page, what do you notice about the area of the rectangles as the shape becomes more like a square?
        \nAnswer:<\/p>\n

        Question 2.
        \nAustin is building a rabbit pen with 25 feet of fence. What are the dimensions of the rectangle he should build to have the greatest possible area?
        \nAnswer:<\/p>\n

        Do You Know How?<\/strong>
        \nIn 3-6, use grid paper to draw two different rectangles with the given perimeter. Write the dimensions and area of each rectangle. Circle the rectangle that has the greater area.
        \nQuestion 3.
        \n16 feet
        \nAnswer:<\/p>\n

        Question 4.
        \n20 centimeters
        \nAnswer:<\/p>\n

        Question 5.
        \n24 inches
        \nAnswer:<\/p>\n

        Question 6.
        \n40 meters
        \nAnswer:<\/p>\n

        Independent Practice<\/strong><\/p>\n

        In 7-10, use grid paper to draw two different rectangles with the given perimeter. Write the dimensions and area of each rectangle. Circle the rectangle that has the greater area.
        \nQuestion 7.
        \n10 inches
        \nAnswer:<\/p>\n

        Question 8.
        \n22 centimeters
        \nAnswer:<\/p>\n

        Question 9.
        \n26 yards
        \nAnswer:<\/p>\n

        Question 10.
        \n32 feet
        \nAnswer:<\/p>\n

        Leveled Practice in 11-14, write the dimensions of a different rectangle with the same perimeter as the rectangle shown. Then tell which rectangle has the greater area.
        \nQuestion 11.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 12.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 13.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 14.
        \n\"Envision
        \nAnswer:<\/p>\n

        Problem Solving<\/strong><\/p>\n

        Question 15.
        \nGeneralize Trish is breaking ground for a rose garden in her backyard. The garden will be a square with a side of 7 meters. What will be the area of the rose garden?
        \nAnswer:<\/p>\n

        Question 16.
        \nKaren drew a rectangle with a perimeter of 20 inches. The smaller side measured 3 inches. Karen said the longer side of the rectangle had to be 7 inches. Is she correct?
        \nAnswer:<\/p>\n

        Question 17.
        \nHigher Order Thinking<\/strong> Rectangles X and Y have the same perimeter. Without measuring or multiplying, how can you know which rectangle has the greater area?
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 18.
        \nAlgebra Marcus made the same number of free throws in each of 4 basketball games. Each free throw is worth 1 point. If he made a total of 24 free throws, how many did he make in each game? How many free throw points did he score in each game?
        \n\"Envision
        \nAnswer:<\/p>\n

        Assessment Practice<\/strong><\/p>\n

        Question 19.
        \nBella draws two rectangles. Select all the statements that are true about Bella’s rectangles.
        \n\"Envision
        \n\u2610 They have the same side lengths.
        \n\u2610 They have different side lengths.
        \n\u2610 They have the same perimeter.
        \n\u2610 They have a different area.
        \n\u2610 They have the same area.
        \nAnswer:<\/p>\n

        Question 20.
        \nSelect all the equations that can be used to find the area of the rectangle.
        \n\"Envision
        \n\u2610 10 \u00d7 7 = a
        \n\u2610 (5 \u00d7 7) + (5 \u00d7 7) = a
        \n\u2610 a = 10 \u00d7 7
        \n\u2610 7 \u00d7 7 = a
        \n\u2610 10 \u00d7 10 = a
        \nAnswer:<\/p>\n

        Lesson 16.5 Same Area, Different Perimeter<\/h3>\n

        Solve & Share<\/strong>
        \nJessica has 12 square tiles that she wants to use to make rectangles. Find 3 different rectangles she can make using all 12 square tiles in each of the rectangles. Include the area and perimeter of each rectangle. Then compare the areas and perimeters.
        \nI can … understand the relationship of shapes with the same area and different perimeters.
        \n\"Envision<\/p>\n

        Look Back! How does the shape of each of the rectangles affect the perimeter?<\/p>\n

        Essential Question<\/strong>
        \nCan Rectangles Have the Same Areas but Different Perimeters?<\/p>\n

        Visual Learning Bridge
        \nIn a video game, you have 16 castle tiles to make a rectangular castle, and 16 water tiles for a moat. How can you completely surround the castle with water?
        \nMake rectangles that have an area of 16 square units. Find the perimeter of each rectangle.
        \n\"Envision<\/p>\n

        \"Envision
        \nFind the area:
        \nA = 1 \u00d7 16
        \n= 16 square units
        \nFind the perimeter:
        \nP = (2 \u00d7 16) + (2 \u00d7 1)
        \n= 32 + 2
        \n= 34 units<\/p>\n

        \"Envision
        \nFind the area:
        \nA = 2 \u00d7 8
        \n= 16 square units
        \nFind the perimeter:
        \nP = (2 \u00d7 8) + (2 \u00d7 2)
        \n= 16 + 4
        \n= 20 units<\/p>\n

        \"Envision
        \nFind the area:
        \nA= 4 \u00d7 4
        \n= 16 square units
        \nFind the perimeter:
        \nP = (2 \u00d7 4) + (2 \u00d7 4)
        \n= 8 + 8 = 16 units
        \nOnly the 4 \u00d7 4 castle can be surrounded by 16 water tiles.<\/p>\n

        Convince Me! Critique Reasoning Izzie says that if the number of castle tiles increases to 25, it is possible to use exactly 25 water tiles to surround the castle. Do you agree or disagree? Why?<\/p>\n

        Guided Practice<\/strong><\/p>\n

        Do You Understand?<\/strong>
        \nQuestion 1.
        \nIn the example on the previous page, what do you notice about the perimeter of the rectangles as the shape becomes more like a square?
        \nAnswer:<\/p>\n

        Question 2.
        \nIn Round 2 of the video puzzle game, you have 24 castle tiles. What is the least number of water tiles you will need to surround your castle?
        \nAnswer:<\/p>\n

        Do You Know How?<\/strong>
        \nIn 3-6, use grid paper to draw two different rectangles with the given area. Write the dimensions and perimeter of each rectangle, and tell which rectangle has the smaller perimeter.
        \nQuestion 3.
        \n6 square feet
        \nAnswer:<\/p>\n

        Question 4.
        \n36 square yards
        \nAnswer:<\/p>\n

        Question 5.
        \n64 square meters
        \nAnswer:<\/p>\n

        Question 6.
        \n80 square inches
        \nAnswer:<\/p>\n

        Independent Practice<\/strong><\/p>\n

        In 7-10, use grid paper to draw two different rectangles with the given area. Write the dimensions and perimeter of each rectangle. Circle the rectangle that has the smaller perimeter.
        \nQuestion 7.
        \n9 square inches
        \nAnswer:<\/p>\n

        Question 8.
        \n18 square feet
        \nAnswer:<\/p>\n

        Question 9.
        \n30 square meters
        \nAnswer:<\/p>\n

        Question 10.
        \n32 square centimeters
        \nAnswer:<\/p>\n

        Leveled Practice In 11-14, write the dimensions of a different rectangle with the same area as the rectangle shown. Then tell which rectangle has the smaller perimeter.
        \nQuestion 11.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 12.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 13.
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 14.
        \n\"Envision
        \nAnswer:<\/p>\n

        Problem Solving<\/strong><\/p>\n

        Question 15.
        \nSue bought 2 sweaters for $18 each and a pair of mittens for $11. About how much money did she spend? About how much did she get in change if she paid with 3 twenty-dollar bills?
        \nAnswer:<\/p>\n

        Question 16.
        \nReasoning<\/strong> The perimeter of a rectangle is 12 feet. The perimeter of another rectangle is 18 feet. Both rectangles have the same area. Find the area and the dimensions of each rectangle.
        \nAnswer:<\/p>\n

        Question 17.
        \nHigher Order Thinking<\/strong> Park School and North School cover the same area. In physical education classes, each student runs one lap around the school. At which school do the students have to run farther? How do you know?
        \n\"Envision
        \nAnswer:<\/p>\n

        Question 18.
        \nMs. Fisher is using 64 carpet squares to make a reading area in her classroom. Each square measures 1 foot by 1 foot. She wants to arrange the 64 squares in a rectangular shape with the smallest possible perimeter. What dimensions should she use for her reading area?
        \nAnswer:<\/p>\n

        Question 19.
        \nBella is putting down patches of sod to start a new lawn. She has 20 square yards of sod. Give the dimensions of two different rectangular regions that she can cover with the sod. What is the perimeter of each region?
        \nAnswer:<\/p>\n

        Assessment Practice<\/strong><\/p>\n

        Question 20.
        \nLakisha draws two rectangles. Which statement is true about Lakisha’s rectangles?
        \n\"Envision
        \nA. They have the same dimensions.
        \nB. They have the same shape.
        \nC. They have the same perimeter.
        \nD. They have the same area.
        \nAnswer:<\/p>\n

        Lesson 16.6 Problem Solving<\/h3>\n

        Reasoning<\/strong>
        \nSolve & Share<\/strong>
        \nSuppose you want to cut a piece of webbing to make a strap to wrap around your math book. Measure the width and height of your book, then use those dimensions to find a possible length for the strap. Be sure to include extra webbing for a buckle. Use reasoning to decide.
        \nI can … understand the relationship between numbers to simplify and solve problems involving perimeter.
        \n\"Envision<\/p>\n

        Thinking Habits
        \nBe a good thinker! These questions can help you.
        \n\u2022 What do the numbers and symbols in the problem mean?
        \n\u2022 How are the numbers or quantities related?
        \n\u2022 How can I represent a word problem using pictures, numbers, or equations?
        \n\"Envision<\/p>\n

        Look Back! Reasoning Explain how to solve the problem using a different unit. Does the length you found need to change?<\/p>\n

        Essential Question<\/strong>
        \nHow Can You Use Reasoning to Solve Problems?<\/p>\n

        Visual Learning Bridge
        \nAnna is setting up 3 of these tables end-to-end in a long row for a party. Each person sitting at a table needs a space that is 2 feet wide.
        \nHow can Anna find out how many people can be seated at the tables? Use reasoning to decide.
        \n\"Envision
        \nWhat do I need to do to solve this problem?
        \nI need to use the information I know to find the number of people that can sit at 3 tables.<\/p>\n

        How can I use reasoning to solve this problem?
        \nI can<\/p>\n

          \n
        • identify the quantities I know.<\/li>\n
        • draw a picture to show relationships.<\/li>\n
        • give the answer using the correct unit.<\/li>\n<\/ul>\n

          \"Envision
          \nFor 3 tables, the number of people at the ends stays the same. There are 4 more people at each side. 6 + 1 + 6 + 1 = 14. I know 14 people can sit at 3 tables.<\/p>\n

          Convince Me! Reasoning Anna decides to turn the tables sideways. Now they are joined along the longer sides. How does this change the number of people who can be seated? You can use a picture to help.<\/p>\n

          Guided Practice<\/strong><\/p>\n

          Reasoning<\/strong> Corrine has 3 triangular tables with sides that are the same length. She wants to know how many people she can seat if she puts the tables together side to side in a row. Each person needs a space of 2 feet. How many people can be seated?
          \n\"Envision
          \nQuestion 1.
          \nDescribe the quantities given.
          \nAnswer:<\/p>\n

          Question 2.
          \nSolve the problem and explain your reasoning. You can use a picture to help.
          \nAnswer:<\/p>\n

          Independent Practice<\/strong><\/p>\n

          Reasoning<\/strong> Tito has 3 trapezoid blocks. He wants to find the perimeter of the blocks when he places them together side to side in a row.
          \n\"Envision<\/p>\n

          Question 3.
          \nDescribe the quantities given.
          \nAnswer:<\/p>\n

          Question 4.
          \nSolve the problem and explain your reasoning. You can use a picture to help.
          \nAnswer:<\/p>\n

          Problem Solving<\/strong><\/p>\n

          Performance Task<\/strong>
          \nA Wedding Cake
          \nThe Cakery Bakery makes tiered wedding cakes in various shapes. Maria buys ribbon to decorate three squares of a cake. The ribbon costs 50\u00a2 a foot.
          \n\"Envision<\/p>\n

          Question 5.
          \nBe Precise How many inches of ribbon does Maria need for the bottom layer of this cake?
          \nAnswer:<\/p>\n

          Question 6.
          \nMake Sense and Persevere How long is a side of the middle layer? Explain how you know your answer makes sense.
          \nAnswer:<\/p>\n

          Question 7.
          \nReasoning<\/strong> How many inches of ribbon does Maria need for the middle layer and top layer? Use reasoning to decide.
          \n\"Envision
          \nAnswer:<\/p>\n

          Question 8.
          \nCritique Reasoning<\/strong> Maria says that if she buys 100 inches of ribbon she will have enough ribbon for all 3 layers. Grace says Maria needs more than 100 inches of ribbon. Who is correct? Explain.
          \nAnswer:<\/p>\n

          Topic 16 Fluency Practice Activity<\/h3>\n

          Find a Match<\/strong>
          \nWork with a partner. Point to a clue. Read the clue.
          \nLook below the clues to find a match. Write the clue letter in the box next to the match.
          \nFind a match for every clue.
          \nI can … add and subtract within 1,000.<\/p>\n

          Clues
          \nA. The missing number is 725.
          \nB. The missing number is 898.
          \nC. The missing number is 580.
          \nD. The missing number is 419.
          \nE. The missing number is 381.
          \nF. The missing number is 83.
          \nG. The missing number is 750.
          \nH. The missing number is 546.
          \n\"Envision<\/p>\n

          Topic 16 Vocabulary Review<\/h3>\n

          Word List<\/p>\n

            \n
          • area<\/li>\n
          • equation<\/li>\n
          • multiplication<\/li>\n
          • perimeter<\/li>\n
          • rectangle<\/li>\n
          • square<\/li>\n
          • square unit<\/li>\n<\/ul>\n

            Understand Vocabulary<\/strong>
            \nWrite T for true or F for false.
            \nQuestion 1.
            \n_______ To find the area of a square, you can multiply the side length by 4.
            \nAnswer:<\/p>\n

            Question 2.
            \n_______ Perimeter is measured in square units.
            \nAnswer:<\/p>\n

            Question 3.
            \n_________ You can use a subtraction or a multiplication equation to find the area of a rectangle.
            \nAnswer:<\/p>\n

            Question 4.
            \n_______ A rectangle with a width of 6 inches and a length of 8 inches has a perimeter of 28 inches.
            \nAnswer:<\/p>\n

            Question 5.
            \n______ A square with a side length of 5 meters has an area of 20 square meters.
            \nAnswer:<\/p>\n

            In 6-8, tell if each equation shows a way to find the area or perimeter of the shape.
            \nQuestion 6.
            \n\"Envision
            \nAnswer:<\/p>\n

            Question 7.
            \n\"Envision
            \nAnswer:<\/p>\n

            Question 8.
            \n\"Envision
            \nAnswer:<\/p>\n

            Use Vocabulary in Writing<\/strong>
            \nQuestion 9.
            \nCompare the perimeter and area of each figure. Use at least 2 terms from the Word List in your answer.
            \n\"Envision
            \nAnswer:<\/p>\n

            Topic 16 Reteaching<\/h3>\n

            Set A pages 613-620<\/strong><\/p>\n

            You can find the perimeter by counting unit segments.
            \n\"Envision
            \nThe perimeter of this shape is 16 centimeters.
            \nYou can find the perimeter of a shape by adding the lengths of the sides.
            \n\"Envision
            \n10 + 10 + 8 + 6 + 6 = 40
            \nThe perimeter of this shape is 40 centimeters.<\/p>\n

            Remember<\/strong> that the distance around a figure is its perimeter.<\/p>\n

            In 1-3, find the perimeter of each figure.
            \nQuestion 1.
            \n\"Envision
            \nAnswer:<\/p>\n

            Question 2.
            \n\"Envision
            \nAnswer:<\/p>\n

            Question 3.
            \n\"Envision
            \nAnswer:<\/p>\n

            Set B pages 621-624<\/strong><\/p>\n

            If you know the perimeter, you can find the length of a missing side. What is the missing side length of this polygon?
            \nperimeter = 21 yd
            \n\"Envision
            \nx + 2 + 6 + 4 + 6 = 21
            \nx + 18 = 21
            \n3+ 18 = 21 so x = 3
            \nThe missing side is 3 yards long.<\/p>\n

            Remember<\/strong> that to find the missing side length, you need to find the sum of the known sides.<\/p>\n

            Find the missing side length.
            \nQuestion 1.
            \nperimeter = 35 cm
            \n\"Envision
            \nAnswer:<\/p>\n

            Set C pages 625-632<\/strong><\/p>\n

            Find the perimeter and area of these rectangles.
            \n\"Envision
            \nThe rectangles have the same perimeter.
            \nThe rectangles have different areas.<\/p>\n

            Remember<\/strong> that two rectangles can have the same perimeter but different areas, or the same area but different perimeters.<\/p>\n

            Draw two different rectangles with the perimeter listed. Find the area of each rectangle.
            \nQuestion 1.
            \nP = 24 feet
            \nAnswer:<\/p>\n

            Draw two different rectangles with the area listed. Find the perimeter of each rectangle.
            \nQuestion 2.
            \nA = 64 square inches
            \nAnswer:<\/p>\n

            Set D pages 633-636<\/strong><\/p>\n

            Think about these questions to help you reason abstractly and quantitatively.
            \nThinking Habits<\/p>\n

              \n
            • What do the numbers and symbols in the problem mean?<\/li>\n
            • How are the numbers or quantities related?<\/li>\n
            • How can I represent a word problem using pictures, numbers, or equations?
              \n\"Envision<\/li>\n<\/ul>\n

              Remember<\/strong> to think about how the quantities in the problem are related. You can use a picture to show relationships.<\/p>\n

              Julian has 5 triangle blocks with sides that are the same length. What is the perimeter of the blocks if Julian places them together side to side?
              \n\"Envision
              \nQuestion 1.
              \nDescribe the quantities given.
              \nAnswer:<\/p>\n

              Question 2.
              \nSolve the problem and explain your reasoning. You can use a picture to help.
              \nAnswer:<\/p>\n

              Topic 16 Assessment Practice<\/h3>\n

              Question 1.
              \nTori is making a square table. Each side is 6 feet long. Is the perimeter of the table the same as the area of the table? Explain.
              \nAnswer:<\/p>\n

              Question 2.
              \nRobert’s tile design is shown below.
              \n\"Envision
              \nDraw another tile design that has the same area but a different perimeter from Robert’s design.
              \n\"Envision
              \nAnswer:<\/p>\n

              Question 3.
              \nDella drew a rectangle with a perimeter of 34 centimeters. She labeled one side 7 centimeters, but she forgot to label the other side. Write the missing side length in the box.
              \n\"Envision
              \nAnswer:<\/p>\n

              Question 4.
              \nMrs. Gee has 24 carpet squares. How should she arrange them so that she has the smallest perimeter?
              \nA. 12 by 2 rectangle
              \nB. 1 by 24 rectangle
              \nC. 8 by 3 rectangle
              \nD. 4 by 6 rectangle
              \nAnswer:<\/p>\n

              Question 5.
              \nAl’s playground design is below.
              \n\"Envision
              \nWhich of the following shapes has a different area but the same perimeter as Al’s design?
              \n\"Envision
              \nAnswer:<\/p>\n

              Question 6.
              \nThe perimeter of the sign is 24 feet. What is the missing side length?
              \n\"Envision
              \nA. 4 feet
              \nB. 5 feet
              \nC. 6 feet
              \nD. 7 feet
              \nAnswer:<\/p>\n

              Question 7.
              \nMs. Kent measures the perimeter of a common shape. One of the sides is 7 centimeters, and the perimeter is 21 centimeters. If all of the sides are the same length, what shape does Ms. Kent measure? Explain.
              \nAnswer:<\/p>\n

              Question 8.
              \nKyle drew two shapes. Select all of the statements that are true about the shapes.
              \n\"Envision
              \n\u2610 The shapes have different perimeters.
              \n\u2610 The shapes have the same perimeter.
              \n\u2610 The shapes have different areas.
              \n\u2610 The shapes have the same area.
              \n\u2610 The square has a greater area than the rectangle.
              \nAnswer:<\/p>\n

              Question 9.
              \nMandy’s trapezoid-shaped garden has a perimeter of 42 feet. She knows the length of three sides: 8 feet, 8 feet, and 16 feet. What is the length of the fourth side?
              \nAnswer:<\/p>\n

              Question 10.
              \nPepper’s dog pen is shown below.
              \n\"Envision
              \nA. Find the perimeter and area of the dog pen.
              \nAnswer:<\/p>\n

              B. Could a square with whole-number side lengths have the same perimeter as the dog pen? The same area? Explain.
              \nAnswer:<\/p>\n

              Question 11.
              \nA square picture frame has sides 24 inches long. What is its perimeter? Find the dimensions of a rectangle whose perimeter is less.
              \nAnswer:<\/p>\n

              Topic 16 Performance Task<\/h3>\n

              Park Planning Mrs. Martinez is planning a new park. Three possible designs are shown below. There will be a path along each side of the park.
              \n\"Envision<\/p>\n

              Use Design A, Design B, and Design C figures to answer Questions 1-3.
              \nQuestion 1.
              \nFor Design A, how long will the path be for the missing side length?
              \nAnswer:<\/p>\n

              Question 2.
              \nFor Design B, how long will the path be for the missing side length?
              \nAnswer:<\/p>\n

              Question 3.
              \nMrs. Martinez chooses the design with the greatest perimeter.
              \nPart A
              \nWhat is the perimeter of Design C? Explain.
              \nAnswer:<\/p>\n

              Part B
              \nWhich design did Mrs. Martinez choose?
              \nAnswer:<\/p>\n

              Use the Sandbox Design figure to answer Question 4.
              \n\"Envision<\/p>\n

              Question 4.
              \nThe park will have a sandbox. One design is shown at the right.
              \nPart A
              \nFind the area and perimeter of the sandbox design.
              \nAnswer:<\/p>\n

              Part B
              \nOn the grid draw a different rectangular sandbox design with the same perimeter but a different area. Circle the figure that has the greater area.
              \nAnswer:<\/p>\n

              Use the South Pond figure to answer Question 5.
              \n\"Envision
              \nQuestion 5.
              \nThere will be two ponds in the park. Each pond will be a rectangle.
              \nPart A
              \nFind the area and perimeter of the south pond.
              \nAnswer:<\/p>\n

              Part B
              \nThe north pond has the same area but a different perimeter.
              \nDraw a figure for the north pond.
              \nCircle the figure that has the greater perimeter.
              \n\"Envision
              \nAnswer:<\/p>\n

              Question 6.
              \nThe park will have a sign in the shape of a square. One side of the sign will be 2 meters long. Explain two ways you can find the perimeter of the sign.
              \nAnswer:<\/p>\n","protected":false},"excerpt":{"rendered":"

              Go through the\u00a0enVision Math Common Core Grade 3 Answer Key\u00a0Topic 16 Solve Perimeter Problems\u00a0regularly and improve your accuracy in solving questions. enVision Math Common Core 3rd Grade Answers Key Topic 16 Solve Perimeter Problems Essential Question: How can perimeter be measured and found? enVision STEM Project: What Lives Here? Do Research Use the Internet or …<\/p>\n","protected":false},"author":1,"featured_media":25582,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/envisionmathanswerkey.com\/wp-content\/uploads\/2021\/06\/enVision-Math-Common-Core-Grade-3-Answer-Key-Topic-16-Solve-Perimeter-Problems.png","_links":{"self":[{"href":"https:\/\/envisionmathanswerkey.com\/wp-json\/wp\/v2\/posts\/7442"}],"collection":[{"href":"https:\/\/envisionmathanswerkey.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/envisionmathanswerkey.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/envisionmathanswerkey.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/envisionmathanswerkey.com\/wp-json\/wp\/v2\/comments?post=7442"}],"version-history":[{"count":4,"href":"https:\/\/envisionmathanswerkey.com\/wp-json\/wp\/v2\/posts\/7442\/revisions"}],"predecessor-version":[{"id":27891,"href":"https:\/\/envisionmathanswerkey.com\/wp-json\/wp\/v2\/posts\/7442\/revisions\/27891"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/envisionmathanswerkey.com\/wp-json\/wp\/v2\/media\/25582"}],"wp:attachment":[{"href":"https:\/\/envisionmathanswerkey.com\/wp-json\/wp\/v2\/media?parent=7442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/envisionmathanswerkey.com\/wp-json\/wp\/v2\/categories?post=7442"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/envisionmathanswerkey.com\/wp-json\/wp\/v2\/tags?post=7442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}