Envision Math 2nd Grade Textbook Answer Key Topic 1.7 Problem Solving

Problem Solving

Use Objects

Envision Math Grade 2 Answers Topic 1.7 Problem Solving 0.1

Question 1.
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Question 2.
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Question 3.
Envision Math Grade 2 Answers Topic 1.7 Problem Solving 1
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Question 4.
Envision Math Grade 2 Answers Topic 1.7 Problem Solving 1
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Home Connection Your child used objects and decided whether to add or subtract to solve a math story problem.
Home Activity Make up word problems. Ask your child to use small objects such as paper clips or pennies to add or subtract to solve the problems.
AF 1.2 Relate problem situations to number sentences involving addition and subtraction.
Also AF 1.3, MR 1.2, MR 2.1.

Envision Math Grade 2 Answers Topic 1.7 Problem Solving 10

Guided Practice

Use counters and your workmat. Circle add or subtract.
Then write the number sentence.

Question 1.
Sam has 5 green tomatoes and 3 red tomatoes. How many tomatoes does he have?
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Question 2.
There are 9 party hats. The children wear 7 of them.
How many hats are left?
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Do you understand? How did you use objects to complete exercise 2?

Independent Practice

Use counters and your workmat. Circle add or subtract. Then write the number sentence

Question 3.
Cho has 6 toy horses. Hakeem has 3 toy horses. How many toy horses do they have altogether?
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Question 4.
There are 10 peaches. The children eat 3 of them. How many peaches are left?
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Question 5.
Juan reads 5 books. Betty reads 2 books. How many books do they read in all?
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Problem Solving

Solve the problems below.
Use counters and your workmat.

Question 6.
Kim makes 5 snowballs. Jo makes 7 snowballs. How many more snowballs does Jo make than Kim?
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Question 7.
The runners drink 5 bottles of water after the first race. They drink 4 bottles of water after the second race.
Which shows how many bottles they drink in all?
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Question 8.
Journal Write a story problem using the numbers 6 and 3. Have a friend use counters to solve it.
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