Add and Subtract Within 20: Set 8
0 / 15Find each sum, difference, and missing number.
Write each sum.
2 + 7 =
4 + 7 =
6 + 5 =
9 + 3 =
6 + 1 =
Write each difference.
11 − 1 =
12 − 3 =
5 − 4 =
15 − 1 =
4 − 1 =
Write the missing number.
10 − = 3
2 − = 1
6 + = 10
4 − = 1
8 + = 17