Addition within 20 — Answer Key
Solve the Addition Problems
Add the numbers. Write the answer on the line.
5
+9
14
10
+4
14
6
+9
15
10
+5
15
9
+7
16
10
+6
16
8
+9
17
10
+7
17
9
+9
18
10
+8
18
10
+9
19
10
+10
20
9
+8
17
8
+7
15
7
+10
17
5
+10
15