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