Inverse Operations
Write a related fact that uses the inverse operation.
7 x 5 =
35 divided by 5 = 7
OR
35 divided by 7 = 5
What's the missing number?
49 divided by 7 = ___
49 divided by 7 = 7
408 divided by 8
51
12 divided by 2
6
Write the fact family using these 3 numbers: 6, 3, 18.
Remember! 2 multiplication and 2 division facts
6 x 3 = 18
3 x 6 = 18
18 divided by 3 = 6
18 divided by 6 = 3
Write a related fact that uses the inverse operation.
8 x 5 = ?
40 divided by 8 = 5
40 divided by 5 = 8
35 divided by 7 equals ?
35 divided by 7 equals 5
448 divided by 8
56
35 divided 5 =
Write the fact family using these 3 numbers: 7, 8, 56
Remember! 2 multiplication and 2 division facts
7 x 8 = 56
8 x 7 = 56
56 divided by 7 = 8
56 divided by 8 = 7
Write a related fact that uses the inverse operation.
81 divided by 9 = ?
9 x 9 = 81
____ x 9 = 72
8 x 9 = 72
545 divided by 5
109
40 divided by 10
Write the fact family using these 2 numbers as factors: 3, 9, __
Remember! 2 multiplication and 2 division facts
3 x 9 = 27
9 x 3 = 27
27 divided by 3 = 9
27 divided by 9 = 7
Write a related fact that uses the inverse operation.
132 divided by 12 = ?
12 x 11 = 132
OR
11 x 12 = 132
28 divided by 7 equals ____
____ x 7 = 28
28 divided by 7 equals 4
4 x 7 = 28
729 divided by 8
91 R1
64 divided by 8
8
Write the fact family using these 2 numbers as factors: 4, 5, __
Remember! 2 multiplication and 2 division facts
5 x 4 = 20
4 x 5 = 20
20 divided by 5 = 4
20 divided by 4 = 5
Write a related fact that uses the inverse operation.
144 divided by 12 equals
12 x 12 = 144
8 x __ = 64
64 divided by 8 = ___
8 x 8 = 64
64 divided by 8 = 8
815 divided by 4
36 divided by 4 equals 9
9 boxes
72 divided by 9
8
Write a fact family using this fact: 6 x __ = 36
Remember! 2 multiplication and 2 division facts
6 x 6 = 36
6 x 6 = 36
36 divided by 6 = 6
36 divided by 6 = 6