Expressions Unit Review

The number of students at Abbott Middle School is 15 less than 3 times the number of students at Gainesville Middle School. Which expression represents the total number of students at Abbott Middle School if s represents the number of students at Gainesville Middle School?

• 15s – 3

• 15 – 3s

• 3s – 15

• 3 – 15s

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Nancy has n number of baseball cards. Tony has 3 fewer baseball cards than Nancy. Which expression shows the number of baseball cards Tony has?

• n × 3

• n – 3

• 3 – n

• 3 ÷ n

Tags

CCSS.6.EE.B.6

George has 15 bills in his wallet. Some of the bills are ten-dollar bills, and the rest are five-dollar bills. He has x number of five-dollar bills. Which expression represents the number of ten-dollar bills George has?

• 15x

• 15 + x

• 15 – x

• x – 15

Tags

CCSS.6.EE.B.6

An algebraic expression must have a number (constant), a variable, an __________.

• letter
• solution
• operation
• equal sign

Tags

CCSS.6.EE.A.2B

In this expression, which is the variable? 
5 + y 

• q
• +
• 5
• y

Tags

CCSS.6.EE.A.2B

Evaluate the expression if a=3 and b=4.
4b - 5a

• 9
• 8
• 1
• 0

Tags

CCSS.6.EE.A.2C

Evaluate the expression if a=3 and b=4.
a² + 1

• 17
• 10
• 33
• 11

Tags

CCSS.6.EE.A.2C

Evaluate the expression if a=3 and b=4.
ab ÷ 3

• 11
• 4
• 3
• 1

Tags

CCSS.6.EE.A.2C

Factor the expression.

20m - 8n

• 2(10m - 4n)

• 4(5m - 2n)

• 4(20m - 8n)

• 5(4m - 8n)

Tags

CCSS.7.EE.A.1

Simplify AND factor the expression.

12 - (3r - 23) + 8r

• 12 - 3r + 23 + 8r

• 11r - 11

• 11r + 35

• 5r + 35

Tags

CCSS.6.EE.A.3