Chapter 2 Resource Masters - Macmillan/McGraw-Hill
Chapter 2 Resource Masters - Macmillan/McGraw-Hill
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 />
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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.