Writing Expressions

Let x represent the number of minutes Kristen works out in one week. Write an expression for the number of minutes she works out in 4 weeks.

Write this phrase as an algebraic expression. 7 less than x

Write this phrase as an algebraic expression. T-shirts (t) are $8 each.

Write this phrase as an algebraic expression. The sum of 12 and w

The length of a certain rectangle is 4 units more than the width. Which expression shows the length, l, in terms of width, w, for this rectangle?

• 4w
• 4+w
• w+4
• w-4

Scott earns $15 for each birdhouse that he sells. He uses the expression 15x to calculate his earnings, in dollars. What is the meaning of the variable x in Scott's expression?

• the number of birdhouses he sells
• the total amount of money he earns
• the amount of money he earns per birdhouse
• the number of hours it takes to make each birdhouse

Write this phrase as an algebraic expression. Ella makes $14 per hour (h).

Choose the phrase that DOES NOT match the expression 17 + x.

• The sum of 17 and x
• 17 increased by x
• x greater than 17
• The difference of 17 and x

Choose the phrase that DOES NOT match the expression.

• The quotient of n and 12
• 12 divided by n
• Divide n by 12
• n separated into 12 groups

If soup is on sale for $5 for 4 cans, which expression show the cost for s cans of soup?

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