Addition: Level 2: 1x1 Exercise 20 (no carryovers)


Enter your answers in the boxes then click on SUBMIT:

4
+5
0
+0
2
+1
5
+3
4
+1


0
+1
1
+3
5
+2
3
+5
2
+0


3
+3
8
+1
4
+0
1
+2
4
+3


3
+2
1
+1
6
+0
2
+2
1
+0