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ADDITION Self-Correcting Quiz - ONES

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