Equivalent Expressions with Perimeter & Percents

Which expression is equivalent to 6(2x - 3)?

• 12x - 3
• 8x -9
• 8x - 18
• 12x - 18

Tags

CCSS.7.EE.A.1

Which expression is equivalent to 4(x + 6)?

• 4x + 6
• 4x + 24
• x + 24
• 10x + 24

Tags

CCSS.7.EE.A.1

Choose the expressions that shows a $45 dollar watch discounted 25%.

• 45 - .25 = 44.75
• 45 + .25(45) = 1.25(45)
• 45 - .25(45) = .75(45)

Tags

CCSS.7.EE.A.1

CCSS.7.EE.A.2

CCSS.7.EE.B.3

CCSS.7.RP.A.3

Sales tax is __________ to the price

• subtracted
• added
• multiplied
• divided

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Discount is ____________ from the price.

• added
• divided
• subtracted
• Mr. Ed is very old

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

CCSS.7.RP.A.3

A hat costs x dollars and you can use the expression x - 0.20x to find the cost of the hat with a 20% discount. Which of the following would also get you the discounted price?

• 1.2x

• 3x

• 0.8x

• 0.2x

Tags

CCSS.7.EE.A.2

CCSS.7.RP.A.3

Write a simplified expression to represent the perimeter of the shape.

• 20x - 8

• 10x - 4

• 25x - 4

• 5x + 5x - 4

Tags

CCSS.7.EE.A.1

CCSS.7.EE.A.2

CCSS.7.EE.B.4

Which of the following expressions is a representation of how Henry got a 3.5% tax added to the price of his house, h? 

• $H+3.5$

• $H+.035H$

• $H-0.35H$

• $H\left(3.5\%\right)$

Tags

CCSS.7.EE.A.2

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A jewelry supply shop buys silver chains from a manufacturer for c dollars each, and then sells the chains at a 40% markup. Write an expression for the retail price of a silver chain. HINT: There are two answers!

• .6c

• c + 0.40c

• 1.4c

• $40

Tags

CCSS.7.EE.A.2

CCSS.7.EE.B.4

CCSS.7.RP.A.2

CCSS.7.RP.A.3

To find a discount of 30% off of a price of P, which expression should you use to find the final price? HINT: There are two answers!

• 1.30P

• P - 0.30P

• 0.70P

• 1.70P

Tags

CCSS.7.EE.A.2

CCSS.7.RP.A.2

CCSS.7.RP.A.3