Whole Number Addition Level 4
Add tens without carrying.
1)
21
+ 11
2)
35
+ 22
3)
64
+ 35
4)
88
+ 11
5)
25
+ 13
6)
42
+ 25
7)
51
+ 32
8)
54
+ 24
9)
34
+ 12
10)
35
+ 51
11)
16
+ 61
12)
51
+ 46
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