Advertisement

ADDITION Self-Correcting Quiz - TWOS

1
8
+  2
2
2
+  0
3
5
+  2
4
2
+  6
5
7
+  2
6
9
+  2
7
2
+  2
8
2
+  7
9
2
+  8
10
4
+  2
11
1
+  2
12
2
+  2
13
0
+  2
14
2
+  5
15
2
+  1
16
3
+  2
17
2
+  9
18
2
+  4
19
6
+  2
20
2
+  3
Advertisement