Free Printable Math review 8th grade

1.

Solve for the variable x in the following equation:
$3x=12$

a)

$x=9$

b)

$x=3$

c)

$x=15$

d)

$x=4$

2.

Solve for the variable y in the following equation:

3y − 5 − 5y = 3

a)

y = -2

b)

y = -3

c)

y = -4

d)

y = -5

3.

Solve for the variable x in the following equation:

3(x-6)+2x=22

a)

x=8

b)

x=2

c)

x=18

d)

x=3

4.

Solve for the variable w in the following equation:

12 + 6w - 7w = 3w - 2w

a)

w = 6

b)

w = -16

c)

w = -5

d)

w = 4

5.

Solve for the variable x, for the following equation:

$3(2x+4y)-4=8$

a)

$x=2+4y$

b)

$x=2+2y$

c)

$x=2-4y$

d)

$x=2-2y$

6.

Add:
(-8) + 3

a)

11

b)

5

c)

-5

d)

-11

7.

Subtract:
-2 – 6

a)

8

b)

-4

c)

4

d)

-8

8.

Subtract:
2 – (-8)

a)

6

b)

-10

c)

10

d)

-6

9.

Multiply:
9 x -4

a)

-36

b)

-13

c)

5

d)

36

10.

Multiply:
-6(-5)

a)

-11

b)

11

c)

-30

d)

30

11.

To which real number set do the following real numbers belong?

a)

Irrational Numbers

b)

Natural Numbers

c)

Rational Numbers

d)

Integers

12.

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

13.

Simplify the expression using exponents.

a)

81⁸

b)

9¹⁵

c)

9⁸

d)

81¹⁵

14.

Using exponents, what is the simplified form of the expression (2⁴)⁷

a)

2³

b)

14²⁸

c)

2²⁸

d)

2¹¹

15.

Using exponents, what is the simplified form of this expression?

a)

5⁹

b)

1⁵

c)

5¹⁴

d)

5⁵

16.

What is the value of 18⁰?

a)

18

b)

0

c)

1

d)

-18

17.

How do you write the standard number 0.00095 in scientific notation?

a)

9.5 x 10^-3

b)

9.5 x 10^-5

c)

9.5 x 10^-4

d)

9.5 x 10^-6

18.

Write the standard number 6,267,000 in scientific notation.

a)

62.67 x 10⁶

b)

6.267 x 10⁶

c)

6.267 x 10⁴

d)

6.267 x 10⁷

19.

Which integer is a perfect square?

a)

169

b)

24

c)

10

d)

212

20.

Slope is ________.

a)

Positive

b)

Negative

c)

Zero

d)

Undefined

21.

What does the ( E )in PEMDAS mean?

a)

experience

b)

exponents

c)

examples

d)

evidence

22.

Simpliy: 3x²+5x²

a)

8x

b)

2x²

c)

8x²

d)

2x

23.

¿Qué expresión representa el teorema de Pitágoras?

a)

a+b+c

b)

a²+ b²= c²

c)

a²+ b^{2 +} c²

d)

a + b = c

24.

Halla el valor d ela hipotenusa.

a)

6

b)

5

c)

8

d)

10

25.

¿ como reconocer un triangulo rectangulo?

a)

Por sus lados

b)

por sus angulos

c)

por tener un angulo recto

26.

Utiliza el Teorema de Pitágoras para realizar el ejercicio. Calcula el lado desconocido.

a)

3m

b)

9m

c)

25m

d)

16m

27.

Alberto hace un recorrido de la siguiente manera:

7 metros al sur

8 metros al este

12 metros al norte

4 metros al este

¿A cuantos metros del punto de partida se encuentra?

a)

8 m

b)

18 m

c)

13 m

d)

15 m

28.

What is the probability of spinning the spinner and having it land on RED?

a)

33%

b)

50%

c)

12%

29.

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

a)

5/11

b)

5/6

c)

1/3

d)

5

30.

| –3 |

a)

3

b)

-3

c)

0.30

d)

30

Math review 8th grade

Total questions: 30

Worksheet time: 57mins

Similar Resources on Wayground