ADDITION Self-Correcting Quiz - Up Through the EIGHTS

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