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Reteach and Skills Practice Workbook

Reteach and Skills Practice Workbook

Reteach and Skills Practice Workbook

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15–4<br />

Name<br />

<strong>Reteach</strong><br />

Add Decimals<br />

You can use models to help you add decimals.<br />

Find 1.34 + 1.28.<br />

One Way:<br />

Using Models<br />

Date<br />

4NS2.1, 4MR2.1<br />

Another Way:<br />

Using Paper <strong>and</strong> Pencil<br />

Chapter Resources<br />

Color 1.34 dark gray. Color 1.28 with stripes.<br />

Count the number of squares you shaded.<br />

Add each place.<br />

Regroup if needed.<br />

1<br />

1.34<br />

+ 1.28<br />

2.62<br />

There are 2 whole grids shaded <strong>and</strong> 62 out of<br />

100 shaded in the third grid.<br />

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.<br />

So, 1.34 + 1.28 = 2.62.<br />

Find each sum. Use the space below to draw<br />

10-by-10 grids to help you if needed.<br />

1. 1.7 + 1.4 = 2. 1.24 + 0.38 =<br />

3. 0.5 + 0.8 = 4. 1.5 + 1.35 =<br />

5. 2.25 + 1.03 = 6. 1.52 + 0.35 =<br />

7. 0.9 + 0.8 = 8. 0.6 + 1.85 =<br />

9. 0.85 + 0.15 = 10. 0.8 + 0.6 =<br />

Grade 4 279 Chapter 15

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