ADDITION Self-Correcting Quiz - Up Through the EIGHTS

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