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Chapter 2 Resource Masters - Macmillan/McGraw-Hill

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026_030_C02L5_105801.indd Page 26 5/10/10 4:20:22 PM s-087 /Volumes/108/GO00577/MathConnects_CA_CRM_10/Ancilliary/Application_Files/C02_...<br />

026_030_C02L5_105801.indd Page 27 5/10/10 4:20:32 PM s-087 /Volumes/108/GO00577/MathConnects_CA_CRM_10/Ancilliary/Application_Files/C02_...<br />

Name<br />

Name<br />

2NS2.1<br />

Skills Practice<br />

Near Doubles<br />

2-5<br />

2AF1.1, 2NS2.1<br />

Reteach<br />

Near Doubles<br />

2-5<br />

<strong>Chapter</strong> <strong>Resource</strong>s<br />

Find the sum. Use near doubles to help.<br />

Knowing doubles can help you learn other facts.<br />

1. 6 7<br />

+ 6 + 6<br />

12 13<br />

Think: I I know 4 + 5 is one<br />

more than 4 + 4.<br />

4 + 4 = 8 so 4 + 5 = 9.<br />

Think: Think: I know 4 + 4=8<br />

2. 9 9<br />

+ 9 + 8<br />

18 17<br />

Answers (Lesson 2-5)<br />

4 + 4 = 8 4 + 5 = 9<br />

Find the sum. Use doubles and near doubles to help.<br />

3.<br />

4.<br />

7 + 7 = 14<br />

5 + 5 = 10<br />

Find the sum. Use doubles to help.<br />

2.<br />

1.<br />

one less one more<br />

one less one more<br />

py g p<br />

Grade 2 A12 <strong>Chapter</strong> 2<br />

5 + 4 = 9 5 + 6 = 11<br />

7 + 6 = 13 7 + 8 = 15<br />

6 + 6 = 12<br />

8<br />

4 + 4 =<br />

6.<br />

5.<br />

9 + 9 = 18<br />

6 + 6= 12<br />

one less one more<br />

one less one more<br />

6 + 5 = 11<br />

9<br />

4 + 5 =<br />

9 + 8 = 17 9 + 10 = 19<br />

6 + 5 = 11 6 + 7 = 13<br />

4. 8 8<br />

+ 8 + 9<br />

16 17<br />

3. 5 5<br />

+ 5 + 6<br />

10 11<br />

8. Marcy finds 5 ladybugs. Lee<br />

finds 1 more ladybug than<br />

Marcy. Write an addition<br />

sentence that tells how<br />

many ladybugs they found.<br />

5 + 6 = 11 ladybugs<br />

7. Annie sees 4 bullfrogs at the<br />

lake. Zack sees one less<br />

bullfrog than Annie. Write an<br />

addition sentence that tells<br />

how many bullfrogs they saw.<br />

4 + 3 = 7 bullfrogs<br />

6. 8 8<br />

+ 8 + 7<br />

16 15<br />

5. 6 6<br />

+ 6 + 7<br />

12 13<br />

8. 7 7<br />

+ 7 + 8<br />

7. 10 10<br />

+ 10 + 9<br />

14 15<br />

20 19<br />

Grade 2 27 <strong>Chapter</strong> 2<br />

Grade 2 26 <strong>Chapter</strong> 2<br />

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

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