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Practice Workbook SE - East Penn School District

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Name<br />

LESSON 11.5<br />

Problem Solving Strategy<br />

Solve a Simpler Problem<br />

Break the problem into simpler parts and solve.<br />

1. 40 28 (40 20) (40 8)<br />

<br />

<br />

<br />

A warehouse has many pieces of wood in stock.<br />

It is going to sell 312 bundles of wood with<br />

20 pieces of wood in each bundle. How many<br />

pieces of wood will be sold?<br />

3. Write an expression to help you<br />

solve the problem.<br />

2. 80 49 ( ) <br />

<br />

<br />

( )<br />

<br />

4. Find the total number of pieces<br />

of wood sold.<br />

During a bad storm, Benny is using candles for light.<br />

He has 30 candles and each one burns for about 115<br />

minutes. About how many minutes of light will the<br />

candles give Benny?<br />

5. Write an expression to help you<br />

solve the problem.<br />

6. Find the number of minutes of<br />

light in 30 candles.<br />

© Harcourt<br />

Mixed Review<br />

7. Mr. Rawlins has 57 fifth graders<br />

in his classes. He gives them a<br />

test with 30 questions on it.<br />

How many answers will he<br />

have to read to grade papers?<br />

8. Antoin has $12.50. He wants to<br />

buy 20 pens that cost 80¢ each.<br />

Does he have enough money?<br />

9. (13 2) n 60 10. 12 (3 3) y 11. (42 22) x 31<br />

<strong>Practice</strong><br />

PW63

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