Melissa 635-119 User Manual download pdf (Page 101)

Answers

Grade 3 A14 Chapter 3

Answers (Lesson 3 –5 and 3–6)

Name Date

Grade 3 32 Chapter 3

Brownie is a brown bear and Ben is a black bear. They are rescued bears that

live at a wild animal park. Both eat a special mix of vegetables and dry dog food

every day. The park starts each week with 800 pounds of food for each animal.

Then it keeps track of how much Brownie and Ben eat. Use the chart to help

you answer the questions. (Hint: Be sure to use regrouping when you subtract.)

Bears Food for the

Week

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

Brownie 800 pounds 92 95 87 88 90 86 93

Ben 800 pounds 80 82 83 85 84 79 79

1. How much more food did Brownie eat than Ben ate from

Sunday to Tuesday?

2. How much food did each bear have left after Saturday’s

feeding?

Brownie had

Ben had

3. The park wants to buy just enough food, so that there isn’t

any left over. How much food will it buy for each bear?

For Brownie

pounds

For Ben pounds

4. What is the difference in the amount the two

bears ate by the end of this week?

29 pounds29 pounds

169 pounds169 pounds

228 pounds228 pounds

631631

572572

59 pounds59 pounds

Enrich

Feeding the Bears

3–5

Name Date

Grade 3 33 Chapter 3

py g , p ,

Chapter Resources

Sometimes you can solve a problem using more than one

strategy. You must choose the strategy that works best for you

when solving the problem.

Use this exercise to learn more about choosing a strategy to solve

a problem.

Tristan has $43. If he buys a basket ball for $21, how much

money does he have left?

Understand What do you know?

• You know Tristan has $43.

• You know Tristan spent $21.

What do you need to find?

• You need to find out how much money Tristan has left.

Plan A four-step plan is a good way to solve many problems.

When you read the problem to find out what information you

know, circle key facts or words and underline what you need

to find out.

Since you need to find how much money is left, subtract.

Solve First take the money Tristan started with: $43

Subtract what he spent: $21

To find what is left: $43 - $21 = $22

Check Prove your answer:

Look at the problem again. Work backward to check:

$22 + $21 = $43

Reteach

Problem-Solving Investigation: Choose a Strategy

3–6

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