FACTORS & Multiples
ARRAYS & EQUAL GROUPS
REPEATED ADDITION/BASIC FACTS
PROPERTIES
WORD PROBLEMS
100
What are the factors in the multiplication problem show below? 5 x 9 = 45
5 and 9 are factors. (The numbers that are being multiplied together are the factors.)
100

What multiplication fact matches the array shown below? x x x x x x       x x x x x x      x x x x x x         x x x x x x

6 x 4

100
How can you solve 8 x 6 with repeated addition?
8 + 8 + 8 + 8 + 8 + 8= 48 or 6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 = 48
100
What property is shown below? 7 x 3 = 3 x 7
Commutative Property of Multiplication
100
There are 4 bags of oranges on the table. Each bag has 2 oranges in it? How many oranges are there altogether?
There are 8 oranges altogether.
200
List the first 5 multiples of the number 4.
The first 5 multiples are 4, 8, 12, 16, and 20.
200

What multiplication fact is represented by the equal groups shown below? X X X     X X X      X X X      X XX

4 X 3

200
What multiplication problem will help you solve this repeated addition problem? 2 + 2 + 2 + 2 + 2 + 2
2 x 5 = 10
200
What property is shown below? 9 x 1 = 9
Identity Property of Multiplication
200
Sarah has 5 friends. She gives each friend 3 stickers. How many stickers is she giving to her friends in all?
She is giving out 15 stickers.
300
What is the missing factor in this problem? 3 x ___ = 15
The missing factor is 5. 3 x 5 = 15
300
Michael has 3 dogs. To show how many paws they have in all, what will your equal groups look like? How many groups? How many in each group?
You can draw 3 groups of 4 or 4 groups of 3.
300
What is 5 x 6?
30
300
What property is shown below? (6 x 2) x 3 = 6 x (2 x 3)
Associative Property of Multiplication
300
Four monkeys ate some bananas for a snack. Each monkey had six bananas. What is the total number of bananas that they ate?
They had 24 bananas total.
400
Is the number 25 a multiple of 2? How do you know?
NO! Multiples of 2 are all even numbers. ex: 2, 4, 6, 8, 10, 12....
400
Which array shows 2 x 7 = 14 A.) x x x x x x x x x x x x x x or B.) x x x x x x x x x x x x x x
Choice A shows an array to represent 2 x 7 = 14. (Choice B has 14 x's but they are not in even rows and columns.)
400
What is 3 x 8?
24
400
What property is shown below? 4 x 9 = (4 x 4) + (4 x 5)
Distributive Property of Multiplication
400
There are four groups of desks in our classroom. Five desks are at each group. How many students can sit at a desk in our classroom?
There are enough desks for 20 students.
500
What is the missing factor? (2 x 3) x 4 = 2 x (__ x 4)
The missing factor is 3.
500

Which array matches the equal groups drawn here? 

x x x x x    x x x x x   x x x x x    x x x x x 

A.) x x x x   x x x x   x x x x   x x x x   x x x x 

B.) x x x x x   x x x x x   x x x x x    x x x x x

Both A AND B represent the equal groups. 4 rows of 5 AND 5 rows of 4 are both acceptable ways to draw this array.

500
What is 9 x 4?
36
500
What is missing? 6 x 8= (6 x 3) + (6 x ___)
The missing factor is 5.
500
CHALLENGE!!!!! There are 7 third grade classes. Each class has about 20 students in it. Approximately how many students are there in third grade at Welch Elementary?
There are about 140 students.
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