ADDITION Self-Correcting Quiz - Up Through the ONES

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