Advertisement

ADDITION Self-Correcting Quiz - THREES

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