Add Within 100: Set 2

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Add Within 100: Set 2

Add ones and tens to two-digit numbers.

Add ones

Write each sum.

1.

68 + 3 =

2.

32 + 5 =

3.

80 + 6 =

4.

49 + 4 =

5.

72 + 2 =

6.

43 + 8 =

Add tens

Write each sum.

7.

56 + 10 =

8.

63 + 20 =

9.

87 + 10 =

10.

83 + 10 =

11.

20 + 20 =

Use the blocks

Write each sum.

12.

Use the blocks to help you add.

11 + 9 =

13.

Use the blocks to help you add.

42 + 6 =

14.

Use the blocks to help you add.

79 + 3 =