GCF & Factoring Review

Factors

100

List all of the factors of 8.

1, 2, 4, 8

200

List all of the factors of 18

1, 2, 3, 6, 9, 18

300

List all of the factors of 21.

1, 3, 7, 21

400

List all of the factors of 35.

1, 5, 7, 35

500

List all of the factors of 24

1, 2, 3, 4, 6, 8, 12, 24

Multiples

100

List the first 5 multiples of 5

5, 10, 15, 20, 25, 30

200

List the first 5 multiples of 3

3, 6, 9, 12, 15

300

List the first 5 multiples of 7

7, 14, 21, 28, 25, 42

400

List the first 5 multiples of 4

4, 8, 12, 16, 20, 24

500

List the first 5 multiples of 9

9, 18, 27, 36, 45, 54

Greatest Common Factor

100

What is the greatest common factor of 12 and 15

3

200

What is the greatest common factor of 24 and 20?

4

300

What is the greatest factor of 16 and 36?

4

400

What is the great common factor of 20 and 15?

5

500

What is the greatest common factor of 27 and 81?

9

Factoring

100

Factor x²+5x+6

(x+2)(x+3)

200

Factor x²-7x+12

(x-3)(x-4)

300

Factor x²-5x+6

(x-3)(x-2)

400

Factor x²+7x+10

(x+2)(x+5)

500

Factor x²-x-20

(x-5)(x+4)

Random Fun Facts

100

True or false: Strawberries are berries and bananas are not.

False! Bananas are technically berries, but strawberries are not.

200

True or false: Octopuses have three hearts.

True! Two pump blood to the gills, and one pumps it to the rest of the body. Fun twist: their heart that pumps to the body stops beating when they swim! 

300

True or false: Sharks existed before trees.

True! Sharks have been swimming in Earth's oceans for over 400 million years, while trees only appeared around 350 million years ago.

400

What food can last for thousands of years without spoiling? Honey, Cheese, Rice, Salt

Honey

500

What is the only letter not used in U.S. state name?

Q