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ADDITION Self-Correcting Quiz - ONES

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