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ADDITION Self-Correcting Quiz - SEVENS

1
9
+  7
2
7
+  7
3
7
+  7
4
2
+  7
5
7
+  4
6
7
+  1
7
7
+  6
8
7
+  0
9
5
+  7
10
3
+  7
11
7
+  2
12
7
+  3
13
6
+  7
14
7
+  5
15
7
+  8
16
1
+  7
17
7
+  9
18
4
+  7
19
8
+  7
20
0
+  7
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