Advertisement

ADDITION Self-Correcting Quiz - THREES

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