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