Arrays
Equal Groups
Fact Families
Vocabulary
Word Problems
100
Draw an array to show 3x4=12
100
What is the multiplication expression for this picture?
2 x 3 = 6
100
Complete the equations:
7 x ___ = 42
6 x ___ = 42
7 x 6 = 42
6 x 7 = 42
100
Groups that have the same number of objects are called _____________.
Equal groups
100
Lola places cards in 3 rows of 5. How many cards does she use?
Lola uses 15 cards.
200
Using the array:
N = ?
4 x N = 20
N = 5
200
Draw an equal groups picture to solve 8 x 2.
8 x 2 = 16
200
What multiplication equation can we write if we are given 16 ÷ 4 = 4
4 x 4 = 16
200
What is the answer to a multiplication equation called?
Product
200
Sophia will buy 6 packs of pencils. The packs cost $3 each. How much money does Sophia need in total to buy the plants?
Sophia will need $18
300
What division expression represents this array?
18 ÷ 2 = 9
300
Draw an equal groups picture to solve for N.
4 x N = 24
N = 6
300
Use 32 ÷ 4 = 8 to solve for N:
4 x N = 32
N = 8
300
An ___________ is a representation of equal rows and columns.
Array
300
Josh has 63 cookies. He puts an equal number of cookies in 7 boxes. How many cookies did he put in each box?
He put 9 cookies in each box.
400
Using the array, what does N equal?
N ÷ 3 = 6
N = 18
400
Write a multiplication and division expression for this picture.
3 x 5 = 15
15 ÷ 3 = 5
400
Finish the fact family
2 x 8 = 16
___ x ___ = ___
___ ÷ ___ = ___
___ ÷ ___ = ___
2 x 8 = 16
8 x 2 = 16
16 ÷ 2 = 8
16 ÷ 8 = 2
400
___________ are the numbers you multiply together in a multiplication equation.
For example 4 and 2 is 4 x 2 = 8.
Factors
400
Jane has a total of 54 seeds in 6 packets. Each packet has the same number of seeds. Which equations represent the problem? Choose all that apply.
A. 6 ÷ 54 = ?
B. 54 ÷ 6 = ?
C. 6 x ? = 54
D. 54 x 6 = ?
B. 54 ÷ 6 = ?
C. 6 x ? = 54
500
What multiplication and division equations represent this array?
4 x 9 = 36
36 ÷ 4 = 9
500
Using this picture, what does N =?
N ÷ 6 = 5
N = 30
30 ÷ 6 = 5
500
Fill in the blank, then complete the fact family:
___ ÷ 3 = 9
___ ÷ ___ = ___
___ x ___ = ___
___ x ___ = ___
27 ÷ 3 = 9
27 ÷ 9 = 3
3 x 9 = 27
9 x 3 = 27
500
When you share objects equally among groups, you use _____________ to determine the number objects in each group.
Division
500
A team is training for a race. They need to run 24 miles to finish training. They are training for 8 weeks and will run the same amount each week. How many miles will they need to run each week?
They will need to run 3 miles each week.