PreAlgebra Review

A _____________ is a symbol, usually a letter that stands for a number. 

• coefficient
• algebraic expression
• variable
• term

Tags

CCSS.6.EE.A.2B

Simplify the expression:
4(x - 3) + 12

• 4x - 12
• 4x 
• 4x - 3

Tags

CCSS.6.EE.A.3

13 + 4(2x + 5) 

• 13 + 8x
• 8x + 33
• 8x + 20 

Tags

CCSS.6.EE.A.3

Simplify 5(2 - 7n)

• 52 - 57n

• 10 - 7n

• 10 - 35n

• 10 + 35n

Tags

CCSS.6.EE.A.3

6+(4²-1)

• 13

• 21

• 25

• 9

Tags

CCSS.7.NS.A.3

-15+5+20

• -10

• 40

• -15

• 10

Tags

CCSS.7.NS.A.1C

What is the algebraic expression for                  "the sum of n and 9"?

• n - 9
• n + 9
• n/9
• 9n

Tags

CCSS.6.EE.A.2A

take 10 away from s 

• 10 - s 
• s + 10
• s - 10
• s/10

Tags

CCSS.6.EE.A.2A

What is the operation of the following expression?   x/5

• multiplication 
• addition 
• subtraction 
• division 

Tags

CCSS.5.NF.B.3

What word phrase can you use to represent "5x + 2"?

• five times the sum of a number x and two
• two times the sum of a number x and five
• a number x times the sum of five and two
• the sum of five times a number x and two

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2