Expressions Word Problem

Which expression matches: twice a number, decreased by four.

• 2x – 4

• x - 4

• (x÷2) – 4

• 2x + 4

Which expression matches: the product of nine and a number

• 9 + x

• 9x

• 9 ÷ x

• 9 – x

A pizza delivery driver earns $8 an hour and works h hours per day. He also spends $20 a day on gas. How much will the driver earn in one day?

• 8h – 20

• 8h + 20

• 8 + 20

• 8 – 20

A pizza delivery driver earns $8 an hour and works h hours per day. He also spends $20 a day on gas. How much will the driver earn in one day?

• 8h - 20

• 8h + 20

• 8 + 20

• 8 - 20h

Your mom wins $100 on a scratch-off ticket. She wants to split it between you and your sisters. How much will each of you receive if there are c children?

• 100 - c

• 100 + c

• 100 ÷ c

• 100c

Rhonda was organizing photos in a photo album. She took 60 photos and divided them evenly among p pages. Which algebraic expression represents the number of photos on each page? What are the important parts of this problem that can help you write an algebraic expression?

• 60 photos

• This is an algebra problem

• The phrase, "divided them evenly" lets me know which operation to use.

• Her name is Rhonda

• p stands for the pages

Rhonda was organizing photos in a photo album. She took 60 photos and divided them evenly among p pages. Which algebraic expression represents the number of photos on each page?

• p / 60

• 60 / p

• 60 + p

• 60p

Kelly has some money she has already saved. After mowing two lawns on Saturday, she adds $40 to her savings. How much money has Kelly saved altogether? Let s represent the amount of money she already has in savings. What information is needed in order to help write an algebraic expression?

• s stands for the amount of money she already saved.

• Kelly likes to mow lawns

• The words "she adds" lets me know to write a + sign.

• She added $40 to her savings.

• Kelly worked on Saturday.

Kelly has some money she has already saved. After mowing two lawns on Saturday, she adds $40 to her savings. How much money has Kelly saved altogether? Let s represent the amount of money she already has in savings.

• s + 40

• 40s

• 40 - s

• 40/s

Tyrell has a sister that is y years younger than him. If Tyrell is 12 years old, how old is his sister? Which algebraic expression could be used to find the age of Tyrell's sister?

• y - 12

• 12 / y

• 12 + y

• 12 - y