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ADDITION Self-Correcting Quiz - SEVENS

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