Unknown
Rules and Properties
Fact Families
Four Step Investigation
100
4X3 =
12
100
9/0 = 0
Zeros in division
100
Write the fact families for 25
5X5 = 25 25/5=5
100
Eva and her 2 brothers are going to the movies. Each ticket costs $7. How much do they pay in all?
$21
200
18 / 3 = []
6
200
15 X 1 = 15
Identity Property of Multiplication
200
Write the fact families for 16
4X4=16 16/4=4
200
Kami runs 3 laps on the track every day. Cindy runs 4 times as many. How many laps does Cindy run?
12 laps
300
27/ [] = 3
9
300
3X5 = 5X3
Commutative Property of Multiplication
300
Write the fact families for 8
2X4=8 4X2=8 8/4=2 8/2=4
300

A gardener plants 36 flowers. Each row has 4 flowers. How many rows of flowers did the gardener plant?

9 rows

400
[ ] X 9 = 45
5
400
81/1 = 81
Ones in division
400
Write the fact families for 20
4X5= 20 5X4=20 20/5=4 20/4=5
400

A baker has 36 strawberries. Each cake uses 6 strawberries. How many cakes can the baker make?

6 cakes

500
8 X [] = 48
6
500
3 X 4 X 2 = 24
Associative Property of Multiplication
500
Write the fact families for 6
2X3 = 6 3X2= 6 6/2=3 6/3=2
500

Scott and his 3 brothers are going to the movies. The total cost of the tickets is $24. How much does one ticket cost?

$6

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