Add Within 100: Set 9

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Add Within 100: Set 9

Add ones and tens to two-digit numbers.

Add ones

Write each sum.

1.

25 + 8 =

2.

21 + 8 =

3.

67 + 7 =

4.

31 + 9 =

5.

20 + 6 =

6.

65 + 6 =

Add tens

Write each sum.

7.

32 + 60 =

8.

32 + 50 =

9.

61 + 20 =

10.

52 + 40 =

11.

79 + 10 =

Use the blocks

Write each sum.

12.

Use the blocks to help you add.

71 + 2 =

13.

Use the blocks to help you add.

57 + 4 =

14.

Use the blocks to help you add.

14 + 8 =