Facts Within 20: Set 7
0 / 16Facts Within 20: Set 7
Add and subtract from memory.
Add
Write each sum.
1.
2 + 2 =
2.
10 + 8 =
3.
6 + 5 =
4.
6 + 4 =
5.
6 + 8 =
6.
4 + 3 =
Subtract
Write each difference.
7.
18 − 6 =
8.
12 − 4 =
9.
13 − 6 =
10.
13 − 9 =
11.
12 − 3 =
12.
16 − 8 =
Missing numbers
Write the missing number.
13.
10 + = 16
14.
17 − = 8
15.
20 − = 12
16.
3 + = 8