To subtract, take apart a number to make 10. You need to

To subtract, take apart a number to make 10. You need to take 5 away from 15 to make 10, so break 7 into 5 and 2. 15 - 7 15 - = 10 - = So, 15 - 7 = . ...

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Name

Lesson 8

Reteach

Make 10 to Subtract

To subtract, take apart a number to make 10. You need to take 5 away from 15 to make 10, so break 7 into 5 and 2. 15 - 7

5

10 10 = 8 So, 15 - 7 = 8 .

15 -

2

5 2

=

Solve. 16 - 8

16 -

=

10 -

=

So, 16 - 8 =

2. 17 - 9

17 -

=

10 -

=

So, 17 - 9 = 8

.

. Grade 1 • Lesson 8

Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.

1.

Name

Lesson 8

Reteach

Make 10 to Subtract

To subtract, take apart a number to make 10. You need to take 5 away from 15 to make 10, so break 7 into 5 and 2. 15 - 7

5

10 10 = 8 So, 15 - 7 = 8 .

15 -

2

5 2

=

Solve. 16 - 6 = 10

16 - 8

10 - 2 = 8

6

2

So, 16 - 8 = 8 .

17 - 7 = 10

2. 17 - 9

10 - 2 = 8

7

8

2

So, 17 - 9 = 8 . Grade 1 • Lesson 8

Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.

1.