Generating Equivalent Expressions

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

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

Use the distributive property to find an equivalent expression: 5(2f + 4)

• 10f + 4
• 10f + 9
• 10f + 20
• 30f

Tags

CCSS.7.EE.A.1

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

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

Tags

CCSS.7.EE.A.1

Which algebraic expression represents the area of the given rectangle>

• 4x+5

• 4x+20

• 20x

• 2x+18

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.4

CCSS.7.G.B.6

Which mathematical property shown here proves that these two expressions are equivalent?
   6(v+5v)  =   6v+30v 

• Commutative Property multiplication
• Identity Property
• Distributive Property 
• Associative Property of addition

Tags

CCSS.6.EE.A.3