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Factors
Multiples
Prime/Composite
Number Patterns
Miscellaneous
100
What is a factor?

A number multiplied by another number

100

What is a multiple?

When you count on by a certain number (i.e. a number times 1, that number times 2, etc.)

100
How many factors does a prime number have?

Only 2- the number itself and 1.

100

What is the first term in the following number pattern?

3, 6, 9, 12, 15, 18

3

100

What is the Rule of Divisibility for the number 3?

Add the two digits together, if 3 goes into that, 3 goes into the number.

200
List all the factors for 12.

1, 2, 3, 4, 6, 12

200

True or False:

The number 14 is a multiple of 7.

The number 28 is a multiple of 4.

The number 4 is a multiple of 8.

TRUE

TRUE

FALSE

200

Is 15 a prime or composite number? Why?

15 is composite because you can make 15 with 1 X 15 and 3 X 5.

200

List the first five numbers in the pattern:

First Term: 27     Rule: Add 5, Subtract 3

____, ____, ____, ____, ____

27, 32, 29, 34, 31

200
Leah is helping Miss Ginger sort supplies in the office.  They have 64 notebooks and want to put the same number in each pile.  The number in each pile must be greater than 1, but less than 10.  How many notebooks can be in each pile?

2, 3, 4, or 8

300

What are all the factors for 56?

1 X 56, 2, X 28, 4 X 14, 7 X 8 

300

What multiple of 12 is a factor of 12?

12

300

Is 23 a prime or composite number? Why?

Prime because you can only make 23 with 23 times 1.

300

Gabby wrote 3 poems today.  She plans to write 2 more every day until Friday.  How many poems will Gabby have written by Friday?

3, 5, 7, 9 

9 poems

300

Draw an area model to prove why 23 is a prime number.

The only area model you can draw is 1 X 23.

400

True or False: 

The number 36 is a factor of 9.

The number 4 is a factor of 12.

The number 18 is a factor of 3.

FALSE

TRUE

FALSE

400
Adilen bought stickers in packs of 8.  What number of stickers could she have purchased?

8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96

400

Which of the following numbers are prime?

12, 37, 45, 52, 17

37 and 17

400

Jake shot 15 clay yesterday.  He plans to shoot 10 more every day until Friday.  How many clay pigeons will he have shot by Friday?

15 , 25, 35, 45, 55

55 clay pigeons

400

How many different arrays can you draw with the number 16?

1 X 16

4 X 4

2 X 8

500

Aaron arranged 36 Chrome books in carts. Which of the following are possible arrangements?

6 rows of 6 Chrome books

9 rows of 4 Chrome books

4 rows of 12 Chrome books

6 rows of 6 AND 9 rows of 4

500

Why is 16 a multiple of 2?

2 goes into 16 eight times evenly.  

When you count by 2s, you will say 16.

500

Which of the following numbers are composite?

16, 29, 102, 49, 21

16, 102, 49, 21

500

Trevor wrote the number 22.  If the rule is subtract 2, add 10, what is the sixth number in Trevor's pattern?

22, 20, 10, 8, 18, 16

500

True or False: 51 is a prime number.

FALSE: 3 times 17 is 51 :)