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Multiplication and Division Facts
Properties
Fact Families
Breaking Apart to Multiply
Dividing with ones and zeros
100
12x9
108
100
Any number multiplied by one is that number.
Identity Property
100
Create a fact family for the numbers 6, 9, 54
6x9=54 9x6=54 54/9=6 54/6=9
100
Use breaking apart to find 9x8.
72
100
8/1=
8
200
11x7
77
200
Any number multiplied by zero is zero.
Zero Property
200
Create a fact family using 8 and 64
8x8=64 8x8=64 64/8=8 64/8=8
200
What number is missing? 10x6=(6x5)+(6x__)
5
200
0/8=
0
300
9x9
81
300
Two factors can be multiplied in any order.
Commutative Property
300
What is missing from this fact family? 5x4=20 20/4=5 4x5=20
20/5=4
300
Use breaking apart to find 9x15
135
300
12/1=
12
400
120/10
12
400
Can any number be divided by zero?
NO. Dividing by zero cannot be done.
400
Create a fact family for 12, 11, 132
11x12=132 12x11=132 132/12=11 132/11=12
400
Use breaking apart to find 20x12
240
400
1/7=
You cannot divide one by any number. If I have one Jolly Rancher, I cannot divide it evenly among 7 people.
500
72/8
9
500
True or false. Any number divided by one is one.
False
500
Can you create a fact family using 9, 10, 19? Why or why not?
No because 9x10=90, not 19.
500
Fill in the missing numbers. 7x12=(12x__)+(__x4)
First blank: 3 Second blank: 12
500
Why can you not divide a number by zero? 14/0=
If I take 14 pieces of candy and give them out to zero people...that cannot be done.