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