Addition
What is 13
14 - 4 = ?
What is 10
12 - ? = 4
What is 4
Write a related subtraction fact for 4 + 8 = 12
12 - 4 =8 or 12 - 8 = 4
11 + 5 = ?
What is 16
16 - 5 = ?
What is 11
10 + 9 =?
What is 19
Which fact belongs to the family 8,9,17
8 + 17 = 9
8 + 8 = 16
9 + 8 = 17
8 - 17 = 9
9 + 8 = 17
12 + 8 = ?
What is 20
18 - 9 = ?
What is 9
? - 7 = 7
What is 14
Write a related addition fact for 15 - 6 = 9
6 + 9 = 15 9 + 6 = 15
8 + 7 = ?
What is 15
19 - 6 = ?
What is 13
16 - ? = 8
What is 8
10 + 9 = ?
What is 19
20 - 8 = ?
What is 12