Interpreting Expressions Word Problems

Twice a number is 24.

• 2n = 24

• 2/n = 24

• 2 + n = 24

• 2 - n = 24

Translate the statement into an equation:
Five less than a number is 6

• n - 5 = 6

• 5 - n = 6

Translate this sentence into an equation.

72 is the product of 8 and Steve's age.

Use the variable h to represent Steve's age.

• 72 = 8 + h

• 72 = 8h

• 72 = 8 - h

• 72 = 8/h

Translate this phrase into an algebraic expression.
24 more than Vivian's test score. 
Use d to represent Vivian's test score.

• 24d

• d - 24

• d + 24

• d/24

Five less than twice a number is equivalent to 47. 

• 5 - 2x = 47 

• 2x - 5 = 47 

• 5x - 2 = 47 

• 2 - 5x = 47 

Translate this phrase into an algebraic expression:

Triple a number increased by 16

• 3(16) + n

• 16n + 3

• 3n + 16

• 2n - 16

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

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.

Tyrell has a sister that is y years younger than him. If Tyrell is 12 years old, how old is his sister? What information is important to help you write an algebraic expression?

• Tyrell does not have a brother

• Tyrell gets along with his sister.

• Tyrell is 12 years old.

• y represents the amount of years his sister is younger than him.

• Since the sister is younger than him, that means I need to subtract.

Jeff bought x number of games for $32.50 each. He paid with a $100 bill. Which expressions represents the amount Jeff received back from the cashier?

• 32.5 + x - 100

• 100 - 32.5x

• 32.5x - 100

• 100x + 32.5