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ADDITION Self-Correcting Quiz - Up Through the NINES

1
8
+  6
2
7
+  2
3
3
+  4
4
7
+  7
5
9
+  7
6
3
+  0
7
6
+  9
8
8
+  5
9
3
+  6
10
6
+  6
11
8
+  7
12
4
+  8
13
5
+  3
14
5
+  5
15
4
+  2
16
9
+  2
17
8
+  8
18
2
+  8
19
5
+  9
20
5
+  4
21
4
+  9
22
2
+  6
23
6
+  3
24
2
+  3
25
3
+  8
26
3
+  7
27
3
+  9
28
9
+  5
29
5
+  7
30
4
+  7
31
5
+  2
32
6
+  5
33
1
+  9
34
3
+  3
35
9
+  8
36
4
+  6
37
2
+  2
38
9
+  9
39
6
+  7
40
4
+  4
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