Add and Subtract Within 20: Set 8
0 / 15Add and Subtract Within 20: Set 8
Find each sum, difference, and missing number.
Add
Write each sum.
1.
2 + 7 =
2.
4 + 7 =
3.
6 + 5 =
4.
9 + 3 =
5.
6 + 1 =
Subtract
Write each difference.
6.
11 − 1 =
7.
12 − 3 =
8.
5 − 4 =
9.
15 − 1 =
10.
4 − 1 =
Missing numbers
Write the missing number.
11.
10 − = 3
12.
2 − = 1
13.
6 + = 10
14.
4 − = 1
15.
8 + = 17