Facts Within 20: Set 6
0 / 16Facts Within 20: Set 6
Add and subtract from memory.
Add
Write each sum.
1.
6 + 2 =
2.
7 + 3 =
3.
2 + 10 =
4.
10 + 3 =
5.
10 + 5 =
6.
2 + 2 =
Subtract
Write each difference.
7.
15 − 8 =
8.
17 − 5 =
9.
15 − 3 =
10.
20 − 9 =
11.
13 − 9 =
12.
19 − 9 =
Missing numbers
Write the missing number.
13.
20 − = 11
14.
13 − = 7
15.
4 + = 7
16.
15 − = 9