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Algebra Expressions and Properties

Authored by Anna Peeke

Mathematics

8th - 9th Grade

CCSS covered

Used 115+ times

Algebra Expressions and Properties
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which expression represents the product of r and 4

4r\frac{4}{r}

4r4r

r4\frac{r}{4}

r+4r+4

Tags

CCSS.6.EE.A.2A

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Write an algebraic expression for the phrase the sum of r and twice x

r +2xr\ +2x

x +2rx\ +2r

r +x2r\ +x^2

2(r+x)2\left(r+x\right)

Tags

CCSS.6.EE.A.2A

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Boxes of nails are stacked on top of each other on a work bench. The table shows how the height above the floor of the topmost box depends on the number of boxes. What is the rule for height? Give the rule in words and as an algebraic expression.

The height is the product of 39 and 9 plus number of boxes, n. The rule is 39(9+n)

The height is the sum of 39 and 9 times the number of boxes, n. The rule is 9n + 39.

The height is the quotient of 9 and 39 plus the number of boxes, n. The rule is
9n + 39\frac{9}{n\ +\ 39}

The height is the product of 9 and 39 plus the number of boxes, n. The rule is 9(n + 39)

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The table shows the costs associated with a ski trip. Write an expression to determine the cost of 4 children and 2 adults renting equipment for a ski trip for h hours. The equipment rental fee is for the entire family.

[4(15) +2(35)+6(10)]h\left[4\left(15\right)\ +2\left(35\right)+6\left(10\right)\right]h

[4(15)+2(35)+10]h\left[4\left(15\right)+2\left(35\right)+10\right]h

4(15)+2(35)+10h4\left(15\right)+2\left(35\right)+10h

4(15)+2(35)+6(10)h4\left(15\right)+2\left(35\right)+6\left(10\right)h

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Simplify
 32+(98÷2)3^2+\left(9-8\div2\right)  

Tags

CCSS.6.EE.A.1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify
 9÷(3) +4÷(8)9\div\left(-3\right)\ +4\div\left(-8\right)  

3.5

-3.5

2.5

-2.5

Tags

CCSS.6.NS.C.5

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Simplify
 81\sqrt{81}  

9

-9

9,-9

40.5

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