Addition Worksheet 1

1 a.   

 21 + ______ = 29

1 b.   

 13 + ___ = 14

2 a.   

 2 + ______ = 23

2 b.   

 5 + ______ = 29

3 a.   

 24 + ______ = 29

3 b.   

 4 + ______ = 77

4 a.   

 ______ + 1 = 29

4 b.   

 ___ + 16 = 19

5 a.   

 8 + ______ = 89

5 b.   

 4 + ______ = 69

6 a.   

 4 + ______ = 29

6 b.   

 ______ + 1 = 35

7 a.   

 63 + ______ = 69

7 b.   

 2 + ___ = 19

8 a.   

 4 + ______ = 47

8 b.   

 ______ + 25 = 28

9 a.   

 54 + ______ = 55

9 b.   

 5 + ______ = 79

10 a.   

 ______ + 2 = 73

10 b.   

 ______ + 34 = 39

 

Answer Key

 

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