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