Review of Pre Algebra

List all the factors of 12

• 1x12, 2x6, 3x4

• 1x12, 2x4

• 1x12

• 1x12, 2x6, 3x5

GCF stands for...

• great calculator festival

• giant circumference fact

• grouped calculation finder

• greatest common factor

What is the GCF of 9 and 36

• 3

• 6

• 9

• 12

What is the GCF of 24 and 30?

• 2

• 12

• 6

• 3

Solve the system of equations: x + y = 5 and x - y = 1.

What is a Prime Number?

• A number that has more than two factors

• An Odd Number

• A number that only has two factors; one and itself.

• An online store with free shipping

Is 12 prime or composite?

• prime

• composite

Which of the following shows the prime factorization of 84?

• 2 x 2 x 3 x 7

• 2 x 3 x 3 x 7

• 2 x 3 x 7 x 7

• 2 x 3 x 7

What is the prime factorization of 20?

• 2 x 5

• 1 x 20

• 2 x 10

• 2² x 5

• 5 x 3

• 3 x 5

• 125

• 5 x 5 x 5