ADDITION Self-Correcting Quiz - Up Through the ONES

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