Fact Families
Write fact families using the following numbers:
3, 5, 15
What is
3 x 5 = 15
5 x 3 = 15
15 / 5 = 3
15 / 3 = 5 ?
Place 16 counters into 2 equal groups. How many counters are in each group?
What is 2 counters?
Martina has $12 for lunch. Every item on the menu costs $4. How many items can she buy?
What is 3 items?
A way to divide by sharing one object at a time until all the objects are gone.
What is partition?
Write fact families using the following numbers:
4, 16
What is
4 x 4 = 16
16 / 4 = 4 ?
If you place 15 counters into 3 equal groups, how many counters will be in each group?
What is 5 counters?
There are a total of 14 clowns. If there are 2 clowns in each little car, how many little cars are there?
What is 7 cars?
To separate into equal groups, to find the number of groups, or to find the number in each group.
What is division?
Write fact families using the following numbers:
2, 9, 18
What is
2 x 9 = 18
9 x 2 = 18
18 / 2 = 9
18 / 9 = 2 ?
If you have 24 counters and you place them in 8 equal groups, how many counters will be in each group?
What is 3 counters?
Four movie tickets cost $28. How much does one movie ticket cost?
What is $7?
A way to subtract the same number over and over again until you reach 0.
What is repeated subtraction?
Write fact families using the following numbers:
6, 7, 42
What is
6 x 7 = 42
7 x 6 = 42
42 / 6 = 7
42 / 7 = 6 ?
If you place 32 counters into 4 equal groups, how many counters would be in each group?
What is 8 counters?
Kristen has $24 to share with her three sisters and herself. How much money will they each receive?
What is $6?
The answer to a division problem.
What is a quotient?
Write fact families using the following numbers:
5, 8, 40
What is
5 x 8 = 40
8 x 5 = 40
40 / 5 = 8
40 / 8 = 5 ?
If you place 49 counters into 7 equal groups, how many counters will be in each group?
What is 7 counters?
Daniel walks four times around the block. It takes him 20 minutes. If he walks the same speed each time, how long does it take him to walk once around the block?
What is 5 minutes?
Operations, such as multiplications and division, which will undo each other.
What is inverse operations?