Facts Within 20: Set 4
0 / 16Facts Within 20: Set 4
Add and subtract from memory.
Add
Write each sum.
1.
10 + 4 =
2.
3 + 2 =
3.
4 + 6 =
4.
2 + 10 =
5.
7 + 8 =
6.
8 + 5 =
Subtract
Write each difference.
7.
18 − 9 =
8.
16 − 7 =
9.
15 − 5 =
10.
20 − 5 =
11.
14 − 8 =
12.
13 − 8 =
Missing numbers
Write the missing number.
13.
14 − = 9
14.
6 + = 12
15.
11 − = 3
16.
4 + = 10