Multiples
Factors
Prime vs. Composite Numbers
Vocabulary
Mixed Bag
100
What are multiples?
Multiples are the list of products of a certain number.
-or-
the numbers you say when you are skip counting
100
What are factors?
Factors are numbers multiplied together to get a product.
100
What is a prime number?
A number that has only 2 factors: 1 and itself.
100
What are numbers called that can be multiplied together to find a product?
Factors
100
List the factors of 42 that are also composite numbers
6, 14, 21, and 42.
200
Look at the chart. What are all the multiples of 2?
Here are the multiples of 2:
200
What are all the factors of 6?
1, 2, 3, 6
200
What is a composite number?
A number that has 2 or more factors.
200
What is a product of two numbers found by skip counting called?
Multiples
200
List the factors of 24 that are prime numbers
3
300
List the first ten multiples of 8.
8, 16, 24, 32, 40, 48, 56, 64, 72, 80
300
What are all the factors of 36?
1, 2, 3, 4, 6, 9, 12, 18, 36
300
Are all odd numbers, prime numbers too?
If yes, explain why and give an example.
If no, explain why and give an example.
No, because some prime numbers have 2 or more factors.
Examples: 15, 21, 25, 27...
300
Number that is a whole number greater than 1 with two or more factors.
Composite Number
300
What is the relationship between factors and multiples
You multiply factors to get multiples
400
Which of the following numbers are multiples of 4?
64, 78, 92, 100
Answers:
64, 92, 100
400
Find the factors of 20.
1 x ___ = 20
2 x ___=20
4 x ___=20
The factors of 20 are 1, 2, 4, __, __, __
1 x 20 = 20
2 x 10 =20
4 x 5 =20
The factors of 20 are 1, 2, 4, 5, 10, 20.
400
Identify the prime numbers in the list:
3, 15, 19, 23, 33, 40
Prime Numbers: 3, 19, 23
400
Number whose factors are one and itself.
Prime Number
400
Name two numbers between 42 and 50 that are multiples of 4
44 and 48
500
Which of the following numbers are multiples of 7?
28, 67, 84, 91, 96
Answers:
28, 84, 91
500
Find the factors of 75.
1 x ___ =75
3 x ___=75
5 x ___=75
The factors of 75 are 1, 3, 5, __, __, __.
1 x 75 =75
3 x 25=75
5 x 15=75
The factors of 75 are 1, 3, 5, 15, 25, 75.
500
Identify the composite numbers in the list:
9, 17, 22, 48, 53, 61
Composite Numbers : 9, 22, 48
500
Two numbers that when multiplied get a certain product.
Factor Pairs
500
Write the factor pairs for 50
1 and 50, 2 and 25, 5 and 10
600
List the first 15 multiples of 12.
12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 168, 180
600
What are all the factors of 160?
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160
600
List all the prime and composite numbers from 2-30.
Prime: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29
Composite: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30
600
What is the difference between an equation and an expression?
An equation has an equals sign and an expression does not.
600
List the first 5 multiples of 25
25, 50, 75, 100, 125