Advertisement

ADDITION Self-Correcting Quiz - FOURS

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