Fact Families
Complete the fact family:
6x9=54
9x6=54
54 divided by 6 = 9
54 divided by 9 = 6
5x3=3x5 is an example of what property?
Commutative Property of Multiplication
If I am asking for multiples, I am asking you to:
skip count by a certain number
shows that the way in which numbers are grouped does not change their product
Associative Property of Multiplication
Mary attended camp for 7 days this summer. Tyler attended camp 3 times as many days as Mary. How many days did Tyler attend camp?
Mary = 7
Tyler = 3x7 = 21 days
Which does not belong:
9x8 = 72
9x9 = 72
8x9 = 72
9x9 = 72
7x1=7 is an example of what property?
Identity Property of Multiplication
Give me the first 5 multiples of 8.
8, 16, 24, 32, 40
a set of four related multiplication and division facts that use the same three numbers.
fact family
What is 3 times as much money as $6?
3x6=18
$18
Complete the fact family:
4x6 = 24
6x4=24
24 divided by 6 = 4
24 divided by 4 = 6
2x(6x5) = (2x6)x5 is an example of what property?
Associative Property of Multiplication
pairs
a method used for division, where the divisor is subtracted by the dividend until it reaches 0.
repeated subtraction
Nan needs 4 times as much flour as sugar. She needs 4 cups of sugar. How much flour does she need?
Flour = 4 x 4 cups
Flour = 16 cups
Fact families relate multiplication to ____________________
division
6x0=0 is an example of what property?
Zero Property of Multiplication
Give me the factors of 32.
1, 2, 4, 8, 16, 32
What is the answer to a division problem called?
What is the answer to a multiplication problem called?
a quotient
a product
Bryan has been to the water park 12 times. That is 3 times as many as Sarah. How many times has Sarah been to the water park?
Bryan = 12 times
12 = 3 x S (Sarah)
Sarah has been to the water park 4 times
3,4,12.
See student drawings and answers
If there is a division problem, can it be an example of a property of multiplication?
No, it will be division rules.
Give me the factors AND first 5 multiples of 9.
Factors: 1, 3, 9
Multiples: 9, 18, 27, 36, 45
this word means: to break down
decompose
There are 10 fewer robins than cardinals. There are 3 times as many bluebirds as robins. There are 16 cardinals. How many bluebirds are there?
Cardinals - 16
Robins - 16-10 = 6
Bluebirds - 6x3 = 18
There are 18 blue birds