PreAlgebra Test Review

GCF

100

A number that does not have any factors besides one and itself

A Prime Number

200

The number you are solving for when finding the GCF

The greatest number that divides evenly into both numbers

300

2 is the ______ of 6 and 8

Greatest Common Factor 

400

GCF of 81 and 108

9 

500

GCF of 18 and 57

what is 3?

LCM

100

the product of a number and another non-zero whole number is called a 

Multiple

200

The LCM is ______

the smallest number that both numbers divide into evenly with no remainder

300

List the first five multiples of 12

12, 24, 36, 48, 60 

400

The LCM of 12 and 14 will be greater or smaller than 12 and 14

Greater

500

Solve: The LCM of 52 and 78 

156

Order of Operations

100

What comes first Parentheses or multiplication?

Parentheses 

200

What's first? Multiplication or division

Solve left to right

300

What does the 3rd Letter in PEMDAS mean? 

Multiplication 

400

work as a team to solve: 

6 + 45(4 + 3(6-6)) x 7 +8²

1,330

500

Write out the complete order of PEMDAS 

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

Square Root

100

What are we solving for with a square root?

what times what equals the number under the radical

200

What is a radical?

Check mark square root symbol

300

169...perfect square?

Yes, 13

400

400...perfect square?

Yes, 20 

500

96...perfect square?

No. 4 times the square root of 6 

Exponents

100

What is an exponent?

A number denoting how many times we have to multiply the number times itself 

200

9²

81

300

The purpose of an exponent is to multiply the number by the value of exponent 

e.g 9² = 9 x 2 = 18

False. You multiply the number by itself however many times as indicated by the exponent 

400

16³

4,096

500

How many siblings does Ms. Thomas have, and can you name them? 

8 Siblings 

Brendan, Bridget, Kelly, Keegan, Ms. Thomas, Aidan, Kathleen, Declan, Keira