Free Printable 8th grade 1st 9-week review

1.

1/3=

a)

0.13

b)

0.333....

c)

0.666....

d)

0.6

2.

Convert 0.444... to a fraction.

a)

4/10

b)

4.4/99

c)

4/9

d)

2/5

3.

Convert 0.252525... to a fraction.

a)

25/9

b)

25/99

c)

25/100

d)

1/4

4.

Convert 0.769769769... to a fraction.

a)

769/999

b)

769/1000

c)

769/100

d)

769/99

5.

$\frac{3}{4}$

a)

Rational

b)

Irrational

6.

$\sqrt{15}$

a)

Rational

b)

Irrational

7.

$-\pi$

a)

Rational

b)

Irrational

8.

$0.255255255...$

a)

Rational

b)

Irrational

9.

What number, n, cubed is equal to 64?

n³ = 64

a)

4

b)

2

c)

8

d)

262,144

10.

Which number is both a perfect square and a perfect cube?

a)

64

b)

27

c)

81

d)

16

11.

Evaluate ∛1

a)

1

b)

2

c)

3

d)

4

12.

Evaluate. 7³

a)

313

b)

323

c)

333

d)

343

13.

True or false? 9² = 18

a)

True

b)

False

14.

Which of the following is irrational?

a)

$\sqrt{49}$

b)

$\sqrt{50}$

c)

$\sqrt{81}$

d)

$\sqrt{121}$

15.

Evaluate.

a)

-12

b)

12

c)

±12

d)

1/12

16.

Evaluate.

a)

7/5

b)

±7/5

c)

5/7

d)

±5/7

17.

Which number is the closest approximation to the value of √50?

a)

5

b)

10

c)

25

d)

7

18.

Between which two whole numbers is the square root of 20?

a)

5 and 6

b)

10 and 2

c)

4 and 5

d)

3 and 4

19.

$Which\ pair\ of\ integers\ does\ the\ \sqrt{73}\ lie?$

a)

6 and 7

b)

7 and 8

c)

8 and 9

d)

9 and 10

20.

What is the side length of a square that has an area of 121?

a)

11

b)

60.5

c)

30.25

d)

14641

21.

Which point on the number line below is closest to the approximate value of

\sqrt{75}

?

a)

point L

b)

point M

c)

point N

d)

point P

22.

How would you write 0.0005 in scientific notation?

a)

50 x 10^-5

b)

5 x 10^-4

c)

5 x 10³

d)

.5 x 10³

23.

Which value is the greatest?

a)

5.0 x 10^-9

b)

5.0 x 10^-4

c)

5.0 x 10⁶

d)

5.0 x 10⁸

24.

Solve.

$\left(2.4\times10^4\right)\left(3.7\times10^5\right)$

a)

$6.1\times10^9$

b)

$8.88\times10^9$

c)

$8.88\times10^{20}$

25.

Solve.
$\frac{8.8\times10^7}{2.2\times10^4}$

a)

$4\times10^3$

b)

$6.6\times10^3$

c)

$4\times10^{11}$

26.

Solve.

$\left(3.1\times10^3\right)+\left(4.5\times10^3\right)$

a)

$1.395\times10^7$

b)

$7.6\times10^6$

c)

$7.6\times10^3$

27.

Solve.

$\left(4.6\times10^7\right)-\left(6.1\times10^6\right)$

a)

$2.5\times10^7$

b)

$3.99\times10^6$

c)

$3.99\times10^7$

28.

5³⋅5⁴

a)

5⁷

b)

5⁻¹

c)

5¹²

d)

5

29.

(x⁴)²

a)

x⁸

b)

x⁶

c)

x²

d)

8

30.

Evaluate the expression using the quotient rule.

a)

x¹³

b)

x⁵

c)

x³⁶

d)

x^-5

31.

Simplify the expression in exponential form:
134⁰

a)

0

b)

134

c)

1

32.

8⁰ = 0

a)

True

b)

False

33.

$5^{-1}$

a)

$\frac{1}{5}$

b)

$\frac{1}{5^{100}}$

c)

$\frac{1}{5^3}$

d)

$\frac{1}{5^2}$

34.

3x = 4 + 2x

a)

x = 1

b)

x = 2

c)

x = 3

d)

x = 4

35.

Solve: 6z + 3 -4z = 9

a)

z = 3

b)

z = 60

c)

z = 30

d)

z = 1

36.

Solve!

a)

x = 2

b)

x = 6

c)

x = 4

d)

x = 8

37.

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

a)

No Solution

b)

x = 15

c)

Infinitely Many Solutions

38.

Solve for $y:$ $8y-2=7y-9$

a)

$7$

b)

$\frac{1}{7}$

c)

$-\frac{3}{7}$

d)

$-7$

39.

Solve for x.

$-20=\frac{x-3}{6}$

a)

$x=-123$

b)

$x=-117$

c)

$x=-\frac{1}{3}$

d)

$x=-29$

40.

$x\ +3x+7=2+4x+3$

a)

One solution

b)

No solution

c)

Infinitely Many solutions

8th grade 1st 9-week review

Total questions: 40

Worksheet time: 1hrs 20mins

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