Envision Math Grade 2 Answer Key Topic 2.8 Problem Solving

Envision Math 2nd Grade Textbook Answer Key Topic 2.8 Problem Solving

Problem Solving
Draw a Picture and Write Draw a Picture and Write a Number Sentence

Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 1

Question 1.
__ + __ = ___
Answer:

Question 2.
__ + __ = __
Answer:

Question 3.
__ + __ = __
Answer:

Home Connection Your child drew pictures and wrote number sentences to solve math story problems.
Home Activity Place up to 10 small items in 3 piles and ask your child how many there are in all. He or she should place the items on the mat on this page and write a number sentence on a separate sheet of paper
to solve the problem. Repeat with different numbers of items.
AF 1.3 Solve addition and subtraction problems by using data from simple charts, picture graphs, and number sentences. Also AF 1.2, MR 1.2, MR 2.1.

Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 2

Guided Practice

Use the table above. Draw counters and write number sentences to solve.

Question 1.
How many points did Benita score in all?
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 3
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Question 2.
How many points did Billy score altogether?
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 11
__ + __ + __ = __ points
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Do you understand? Sam scored 12 points in all. Write a number sentence for Sam’s points.

__ + __ + __ = 12 points

Independent Practice

Tomaz and Amy planted flowers. The table shows how many flowers they planted. Draw counters and write number sentences to solve.
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 12
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Question 3.
How many flowers did Tomaz plant in all?
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 12
__ + __ + __ = __ flowers
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Question 4.
How many flowers did Amy plant altogether?
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 13
__ + __ + ___ = __ flowers
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Problem Solving

Solve the problems below.

Question 5.
Kathy and Julio collect shells. The table shows how many shells each collected. How many shells did Julio collect altogether? Draw counters and write number sentences to solve.
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 14
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Question 6.
Which number sentence tells how many shells Kathy had collected after Weeks 1 and 2?
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Question 7.
Journal Explain what addition strategy you used to check your answer to exercise 5.
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 17
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Envision Math Grade 2 Answer Key Topic 2.6 Making 10 to Add 9

Envision Math 2nd Grade Textbook Answer Key Topic 2.6 Making 10 to Add 9

Making 10 to Add 9

Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 1

Question 1.
Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 2
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Question 2.
Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 3
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Question 3.
Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 4
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Question 4.
Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 5
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Home Connection Your child explored strategies for making 10 to help add with 9.
Home Activity Have your child use pennies to make a group of 9 and a group of 5. Ask your child to show you how to make a group of 10 pennies to help find the sum.
AF 1.1, Grade 1 Write and solve number sentences from problem situations that express relationships
involving addition and subtraction. Also AF 1.0.

Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 6

Guided Practice

Make 10 to add 9.
Use counters and your workmat.

Question 1.
Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 11
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Question 2.
Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 12
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Do you understand? Compare adding 9 to any number and adding 10 to that same number. What is different?

Independent Practice

Make 10 to add 9.
Use counters and your workmat.

Question 3.
Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 13
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Question 4.
Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 14
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Question 5.
Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 15
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Question 6.
Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 16
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Question 7.
8 +9 = ___
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Question 8.
9 + 7 = ___
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Question 9.
9 +2 = ___
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Question 10.
9 +9 =___
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Question 11.
1 +9 = ___
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Question 12.
5 + 9 = ___
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Number Sense
Find the missing number.

Question 13.
9 + 3 = Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 40 + 2
Answer:

Question 14.
Envision Math Grade 2 Answers Topic 2.6 Making 10 to Add 9 40 + 9 = 10 + 6
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Problem Solving

Solve the problems below.

Question 15.
Tan’s team has 9 points. They score 7 more points. How many points do they have in all?
___ points
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Question 16.
Ana’s team has 9 bats. Nico’s team has 8 bats. How many bats are there in all?
___ bats
Answer:

Question 17.
Mary wrote an addition sentence. What number makes her addition sentence true? Mark your answer.
Envision Math 2nd Grade Answer Key Topic 2.6 Making 10 to Add 9 41
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Question 18.
Journal Draw a picture to show how you can make 10 to help you add 5 + 9.
Envision Math 2nd Grade Answer Key Topic 2.6 Making 10 to Add 9 42
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