Translating Expressions

Which matches the expression below?

2x + 5

• Five times a number increased by two.

• Two more than the product of five and a number.

• The sum of five and twice a number.

Which matches the expression below?

x −9

• Nine more than a number.

• A number decreased by nine.

• The sum of a number and nine.

What is the difference between an expression and an equation?

• Expressions have an equal sign and equations do not have an equal sign

• There is not a difference

• Expressions do not have an equal sign and equations do have an equal sign

• Expressions do not have variables and equations have variables

What does "difference" mean?

• add

• multiply

• subtract

• division

Three less than twice a number

• 2x-3

• 3-2x

• 3x-2

• 2-3x

Erik ran 3 less than 5 times the distance that Kerry, k, ran. Which expression represents how far Erik ran?

• 3 - 5k

• 5 (3-k)

• 5k - 3

• 5k - 3

Which expression correctly represents that Jaime walked 7 miles fewer than 3 times the number of miles (r) that Robert walked.

• 3(r-7)

• 7(3-r)

• 3r-7

• 7-3r

Kalia buys 5 items that cost d dollars each. She gives the cashier $60. Which expression represents the change she should receive?

• 60 - 5d

• 60 + 5d

• 60 - d

• 5d - 60

Marie currently has a collection of 58 stamps. If she buys s stamps each week for w weeks, which expression represents the total number of stamps she will have?

• 58sw

• 58s + w

• 58 + sw

• 58 + s + w

Translate the following expression: a number split up into 5 groups

• 5g

• g ÷ 5

• 5 ÷ 2

• 5 ÷ g