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