Add and Subtract Within 20: Set 2
0 / 15Find each sum, difference, and missing number.

Write each sum.
8 + 4 =
3 + 6 =
9 + 7 =
5 + 4 =
8 + 2 =
Write each difference.
16 − 3 =
10 − 8 =
13 − 2 =
14 − 4 =
20 − 1 =
Write the missing number.
3 − = 2
1 + = 11
7 + = 17
5 + = 9
6 + = 7