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