Free Printable 8th grade math

1.

What is the perimeter of the shaded figure?

a)

12

b)

10

c)

16

d)

18

2.

Simplify

a)

9

b)

√9

c)

3√9

d)

can't simplify

3.

We know that π (Pi) is approximately equal to 3.141592654... To which subset of the real numbers does π belong?

a)

Irrational Numbers

b)

Rational Numbers

c)

Integers

d)

Natural Numbers

4.

Solve the equation for x.
-8x - 8 + 3x - 6 = -3x + 2

a)

x = -8

b)

x = 8

c)

x = 2

d)

x = -2

5.

Solve:
3x + 15 = 3(x + 5)

a)

No Solution

b)

x = 15

c)

Infinitely Many Solutions

6.

From the problem below determine the keyword that determines,x, in y = mx + b:

The cost to rent a rug cleaner for a day is $25 plus $15 per hour at Rugs Galore. At Get Clean the rug cleaner costs $45 plus $7 per hour. Write an inequality that can be used to show how many hours you need to rent the rug cleaner so that Get Clean’s charges will be less than Rugs Galore’s

charges.

a)

Charges

b)

Hours

c)

Rent

d)

Per

7.

From the problem below determine the keyword that determines the expression for Get Clean:

The cost to rent a rug cleaner for a day is $25 plus $15 per hour at Rugs Galore. At Get Clean the rug cleaner costs $45 plus $7 per hour. Write an inequality that can be used to show how many hours you need to rent the rug cleaner so that Get Clean’s charges will be less than Rugs Galore’s

charges.

a)

y = 15x + 25

b)

y = 25x + 15

c)

y = 45x + 7

d)

y = 7x + 45

8.

Simplify the expression:
(5⁸) ÷ (5²)

a)

5⁶

b)

5¹⁰

c)

5⁴

d)

5¹⁶

9.

Simplify the expression in exponential form:
(5⁴)^{3
Hint: Expand it out}

a)

5¹

b)

5⁷

c)

5¹²

10.

Simplify the expression in exponential form:
(5⁴)^{3
Hint: Expand it out}

a)

5¹

b)

5⁷

c)

5¹²

11.

Simplify the expression in exponential form:
134⁰

a)

0

b)

134

c)

1

12.

Simplify the expression in exponential form:
134⁰

a)

0

b)

134

c)

1

13.

If you are absent for several tests your teacher can...

a)

Prevent you from making up any future missed tests.

b)

Require you to clean his/her classroom before a make-up test.

c)

Give you an F in the class.

d)

Give you a U in citizenship.

14.

Plagiarism is...

a)

The intentional use of another's ideas, words, or work as your own.

b)

A great trick for passing when you don't want to do the work yourself.

c)

Intentionally using false data to make your lab report seem more legitimate.

d)

Turning your back on the flag during the pledge of alleigiance.

15.

According to our school's Academic Honesty Policy the consequence for cheating on a test is...

a)

Earn a 0 on the test with no make-up.

b)

Citizenship lowered to a U for that grading period.

c)

Receive a referral and parents notified.

d)

All of these things.

16.

If < 1 measures 160 degrees, what is the measure of < 2?

a)

160

b)

180

c)

20

d)

30

17.

Fish dying when the pH goes too high are an example of:

a)

an abiotic factor limiting an abiotic factor.

b)

an abiotic factor limiting a biotic factor.

c)

a biotic factor limiting an abiotic factor.

d)

a biotic factor limiting a biotic factor.

18.

what is an abiotic change?

a)

the decrease in rainfall on an ecosystem

b)

the increase in squirrel population

c)

the decrease in bug population

d)

the increase in birds

8th grade math

Total questions: 18

Worksheet time: 39mins

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