Addition Worksheet 1

1 a.   

70
+  

73 

1 b.   

+  9
20 

1 c.   

85
+  

88 

2 a.   

+  8
61 

2 b.   

+  6
27 

2 c.   

33
+  

40 

3 a.   

42
+  

44 

3 b.   

+  1
16 

3 c.   

+  8
76 

4 a.   

+  6
65 

4 b.   

50
+  

53 

4 c.   

+  8
25 

5 a.   

63
+  

64 

5 b.   

17
+  

19 

5 c.   

+  1
18 

 

Answer Key

 

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