Creating Equivalent Expressions

six times the number of girls
Let g = number of girls

• 6 + g

• 6g

• g - 6

Bananas cost $0.50 each. How much would x bananas cost? 

• 5x

• 0.5x

• 5 + x

• 0.5 + x

Perry has 17 fewer baseball cards than Pete.
If b represents the number of cards Pete has, write an expression for how many baseball cards Perry has.

• b + 17

• b -17

• 17 - b

• 17 + b

Write the expression.
Three times as many drinks on the tray.

• d + 3

• d - 3

• 3d

• 3 ÷ d 

Write the expression.
Twelve fewer questions than were on the first test. 

• 12 + q

• q - 12

• q x 12

• q ÷ 12

Write the expression.
The cost of 3 CDs and a $10 DVD

• 3 + c + 10 + d

• 3c + 10

• 3c - 10 - d

• 3 + c - 10 

Translate this phrase intoan Algebraic expression.
57 more than 3 times Ziana's score
Use the variable g to represent Ziana's score.

• 57g + 3

• 3g - 57

• 3g + 57

• 57 - 3g

If Alex feeds his turtle the same amount of food twice a day, how much food will he feed the turtle in a week?

• 2t*7

• 2t - 7

• 7 + 2t

• 1/2t*7

Write the expression.
$5 less on dinner than James spent.

• 5 + j 

• j x 5 

• j - 5 

• j ÷ 5 

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

• 24x

• x - 24

• x + 24

• x/24