8th Gr. Readiness DELTA

Add/Subtract Integers

100

(-8) + 3

-5

200

-2 – 6

-8

300

2 – (-8)

10

400

-10 - (-5)

-5

Multiply/Divide Integers

100

9 x -4

-36

200

-6(-5)

30

300

48 ÷ -6

-8

400

-50 ÷ (-10) 

5

Combine Like Terms

100

(x + 4) + (2x + 3)

3x + 7

200

(9x + 6) – (2x + 1)

7x + 5

300

(6x + 6) – (3x - 2)

3x + 8

400

(-5x + 4) – (2x – 3)

-7x +7

Distributive Property/Factoring

100

4(6x + 2)

24x + 8

200

5(2x + 4) + 3x

13x + 20

300

15x + 35

5(3x + 7)

400

24x – 3

3(8x - 1)

Two-Step Equations

100

20 = 3x – 10 

x = 10

200

12 = 3x – 6

x = 6

300

4(x + 3) = 20

x = 2

400

1/2 x + 3 = 9

x = 12