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Two-Digit Addition

Grade 2 · Adding with regrouping

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Add the ones first, then the tens. Remember to regroup!

1.
69
+21
90
2.
55
+29
84
3.
69
+20
89
4.
74
+17
91
5.
15
+63
78
6.
68
+17
85
7.
35
+62
97
8.
39
+21
60
9.
29
+53
82
10.
67
+17
84
11.
30
+42
72
12.
26
+34
60
13.
22
+43
65
14.
32
+13
45
15.
69
+14
83
16.
14
+60
74