End of 8th Grade Review

One Step Equations

100

Solve for x : 

 x + 5 = 12 

x = 7

200

Solve for y: 

 3y = 21

y = 7

300

Solve for z:

 z - 8 = 15

z = 23

400

Solve for a:

 4a = 32

a = 8

500

Solve for x:

2x + 6 = 14

x = 4

Combining Like Terms

100

Simplify 

3x + 4x

7x

200

What is:

5y + 2y - y

6y

300

Simplify:

6a + 3 - 2a + 4

4a + 7

400

Combine:

 7x + 3 - 2x + 8

5x + 11

500

Simplify:

4m + 2n - 3m + n

m + 3n

Distributing

100

What do you get when you distribute the 3 in:

3(x + 2)

3x + 6

200

Simplify: 

2(4y + 5)

8y + 10

300

Solve:

5(2x - 3)

10x - 15

400

Solve:

 4(3a + 2)

12a + 8

500

Simplify & Solve :

6(2x + 4) - 3(2x)

6x + 24

Constant of Proportionality

100

What is the constant of proportionality if y = 3x?

3

200

If y = 5x when x = 2 , what is y ?

10

300

Find the constant of proportionality in the equation 

y = 2.5x.

2.5

400

If y = kx and y = 20 when x = 4, what is k?

k = 5

500

 Determine the constant of proportionality in y = 7x.

7

Order of Operations

100

 3 + 4 x 2 = 

11

200

5 + 3 x 2=

11

300

12 - (2 + 4) x 3 =

-6

400

8 + 2³ - 4 = 

12

500

 10 - 3 x (2 + 1) + 4 = 

5