Add and Subtract Within 20: Set 3
0 / 15Add and Subtract Within 20: Set 3
Find each sum, difference, and missing number.
Add
Write each sum.
1.
8 + 1 =
2.
5 + 1 =
3.
8 + 5 =
4.
5 + 2 =
5.
3 + 6 =
Subtract
Write each difference.
6.
5 − 1 =
7.
15 − 5 =
8.
17 − 9 =
9.
8 − 5 =
10.
7 − 5 =
Missing numbers
Write the missing number.
11.
17 − = 11
12.
9 + = 13
13.
16 − = 11
14.
4 − = 2
15.
2 − = 1