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ADDITION Self-Correcting Quiz - Up Through the EIGHTS

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