Advertisement

ADDITION Self-Correcting Quiz - Up Through the NINES

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