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ADDITION Self-Correcting Quiz - Up Through the NINES

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