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ADDITION Self-Correcting Quiz - Up Through the NINES

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