Advertisement

ADDITION Self-Correcting Quiz - ZEROS

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