Fact Families
Name the missing related fact: 4x6=24 24÷4=6 6x4=24
24÷6=4
In the number sentence 2x9=18, what is the 2?
It shows the number of groups and its called a factor!
Dasha has 4 pencils in each of her pockets. She has 4 pockets. How many pencils does Dasha have in all? *What operation would you do? What is the answer? What is the label?
4x4=16 Dasha has 16 pencils.
Write a problem that could be solved by using the multiplication equation 9 x 4 = 36.
Now write a division problem for the same numbers.
Any problem where the groups is 9 and the number in each group is 4.
Any division where 36 is being split into equal groups.
Fill in the blank: 3 X ___ =24
8
Name the missing related facts: 3x9=27 9x3=27
27÷9=3 27÷3=9
In the number sentence 5x7=35, what is the 35 called?
The product, it's the answer.
Emma has 5 pairs of socks. How many socks does she have in all? *What operation would you do? What is the answer? What is the label?
5x2=10 Emma has 10 socks.
Adyan Khan solved 7 x 5 by breaking it apart as shown below.
(7 x 3) + (7 x ___)
What number belongs in the blank?
7 x 2
Fill in the blank: 27=__ X 3
9
What multiplication fact can help you find 40 ÷ 8?
8x5=40
In the number sentence 12÷3=4, what is the 12?
It's the total and its called a Dividend.
Luis has 36 cookies to share with his 9 friends. How many cookies would each friend get? *What operation would you do? What is the answer? What is the label?
36÷9=4 Each friend would get 4 cookies.
Victoria has to solve 9x8 but she really doesn't want to because its super hard!
Mone tells her not to worry because Ethan taught her how to break apart the problem into TWO friendlier facts.
Mone says she can use (9x5) + (9x3) but Ethan says she is wrong. He says it's (5x8) + (4x8)
Who is right?
They are both right. You can break up either the first or second factor.
Fill in the blank: 36 ÷ ___ =6
6
Name the related facts using these numbers: 18, 6, 3
3x6=18 18÷3=6 6x3=18 18÷6=3
In the number sentence 12÷3=4, what is the 3?
Divisor - it's either the amount in each group OR the number of groups.
Helen has 4 packs of gum. There are 10 pieces of gum in each pack. She wants to share the gum among 5 people. How many pieces of gum would each person get? *What operation would you do? What is the answer? What is the label?
4x10=40 40÷5=8 Each person would get 8 pieces of gum.
Jermain solves 6 x 8 by breaking it apart as shown below.
(4 x 8) + (___ x 8)
What number belongs in the blank? Solve!
(4 x 8) + (2 x 8)
32 + 16 = 48
9 X ___ =81
9
What multiplication fact can help you find 24 ÷ 4?
4X6
In the number sentence 12÷3=4, what is the 4?
Quotient - its the answer and it shows either the number of groups or the number in each group.
Yhanniel has 8 boxes of toys. There are 2 toys in each box. He wants to share the toys among 4 people. How many toys would each person get? *What operation would you do? What is the answer? What is the label?
8x2=16 16÷4=4 Each person would get 4 toys.
Ariela knows 9 x 9 = 81. Mohamed says that she can use this fact to help her solve 8 x 9. How would she do that? Solve.
He says she can use it for 10 x 9 as well. How?
Ariela can subtract one group of 9 from 81 to find 8 x 9.
She can add one group of 9 (81 + 9) to solve for 10 x 9)
56÷ ___ =7
8