Multiples
Factors
Prime vs. Composite Numbers
Vocabulary
Random
100
What are multiples?
A number that can be divided by another number without a remainder.
100
What are factors?
Factors are numbers multiplied together to get a product.
100
What is a prime number?
A number that has only two factors: 1 and itself.
100
What do you call numbers that can be multiplied together to find a product?
Factors
100
You have 3 opportunities to guess Coach's halloween costume
Scream
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 called a number that can be divided by another number without a remainder?
Multiples
200
Which type of pie has Ms Gaby never eaten?
Mango pie
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 28?
1,2,4,7,14,28
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
What is called a number that has 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
What is called a number whose factors are one and itself?
Prime Number
400
Mention the first six multiples of 6
6, 12, 18, 24, 30, 36
500
Which of the following numbers are multiples of 7?
28, 67, 14, 49, 96
Answers:
28, 14, 49
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
What do you call a dinosaur detective?
(Hint: Think about Mary Anning)
Paleontologist
500
Tell the factor pairs for 10
1 and 10, 2 and 5