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Equivalent Algebraic Expressions Review

Authored by Barbara White

Mathematics

6th - 8th Grade

CCSS covered

Equivalent Algebraic Expressions Review
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student received a coupon for 43​% off the total purchase price at a clothing store. Let b be the original price of the purchase. Use the expression below for the new price of the purchase. Write an equivalent expression by combining like terms.


b - 0.43b

1.43b

0.57b

b + 0.57b

b - 0.57b

Tags

CCSS.6.EE.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The area of a rectangular outdoor stage has been extended on one side. The entire new area in square meters can be written as 48 +12x.


Factor the expression to find the dimensions of the extended stage. (Remember to use the GCF)


The factored expression, using the GCF, is....

.

12 + 3x

24 + 6x

x + 4

60x

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

An art teacher made a copy of a small painting. To make the painting easier to​ see, the teacher enlarged the area of the painting by 38​%. Let d represent the area of the original painting.


The expression below is one way to represent the area of the new painting.


d + 0.38d


Find two equivalent expressions that would give the area of the new painting.

1.38d

0.38d

138d

d(1 + 0.38)

d + 38d

Tags

CCSS.6.EE.A.4

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

farmer recently sold a large plot of land. The sale decreased his total acreage by 12​%. Let v be the original acreage.


Find two equivalent expressions that will give the new acreage.

v - 0.12v

v - 12v

0.88 - 0.12v

0.88v

0.12v

Tags

CCSS.6.EE.A.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cole orders 4 bags of salted potato​ chips, 3 bags of sour cream and chive potato​ chips, and 2 bags of barbecue potato chips.


Cole finds the cost using the expression 4x +3x +​2x, where x is the cost of one bag of chips.


Which a more efficient way to use an expression to work out the cost.

Cole can use the expression ​(3 + 2)x + 4x

Cole can use the expression 9x.

Cole can use the expression ​(4+3)x + 2x

Cole can use the expression x+x+x+x+x+x+x+x+x.

Tags

CCSS.7.EE.A.1

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