8th Grade First Day Review

Equations

100

Solve for x

x+3=10

7

200

Solve for x

2x=16

8

300

Solve for x

3(x-4)=6

6

400

Solve for x

5x+2=32

6

500

Solve for x

4(2x-2)+8=24

3

Expressions

100

Simplify

3x+4x

7x

200

Simplify

2(3x+5)-4

6x+6

300

Give an example of a distributive property.

Any expressions in the form a(b + c) = ab + ac

400

Simplify

5(x+2) - 3(x-1)

2x+11

500

Evaluate

2(x+3) + 4(x-2) when x=2

10

Decimals

100

Add 3.5+2.8

6.3

200

Subtract 5.6-2.4

3.2

300

Multiply 4.5 and 2.2

9.9

400

What is the value of 0.75 + 0.25 - 0.5?

0.5

500

if a number is 1.5 and you subtract 0.75, what is the answer?

0.75

Integers

100

What is the result of -8 + 5?

-3

200

What is the product of -6 and -3?

18

300

If you have 12 and you subtract -4, what is the result?

16

400

What is the absolute value of -15?

15

500

Evaluate -7 - 3 x 4

-40

Geometry

100

What is the area of a circle with a radius of 3 units? Keep in pi form. Use "pi" instead of the symbol.

A=9pi

200

Find the volume of a rectangular prism with length 4 cm, width 3 cm, and height 5 cm.

60 cm cube

300

Calculate the area of a composite figure made of a rectangle 4 cm by 6 cm and a triangle with base 4 cm and height 3 cm.

30 cm square

400

If the radius of a circle is doubled, how does the area change?

The area increase by 4 times.

500

A rectangular prism has a volume of 120 cubic units. If its height is 5 units, what is the area of its base?

The area of the base if 24 square units.