Advertisement

ADDITION Self-Correcting Quiz - Up Through the TWOS

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