Addition Worksheet 1

1 a.   

20 + 21 = ________

1 b.   

54 + 100 = ________

2 a.   

14 + 60 = ________

2 b.   

11 + 40 = ________

3 a.   

100 + 97 = ________

3 b.   

40 + 59 = ________

4 a.   

78 + 100 = ________

4 b.   

26 + 40 = ________

5 a.   

70 + 23 = ________

5 b.   

60 + 16 = ________

6 a.   

20 + 92 = ________

6 b.   

19 + 10 = ________

7 a.   

70 + 35 = ________

7 b.   

61 + 70 = ________

8 a.   

30 + 22 = ________

8 b.   

75 + 70 = ________

9 a.   

71 + 90 = ________

9 b.   

80 + 20 = ________

10 a.   

40 + 15 = ________

10 b.   

80 + 10 = ________

 

Answer Key

 

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