8th Grade Review

First Steps

100

What is your first step in; 36 / 3 * 4 - (-2)

What is Dividing 36 by 3?

200

What is your first step in; 33 * 24(35 -(30-10))?

What is 30-10?

300

What is your first step in: 153² - 159²

What is 153² ?

400

What is your first step in:
 6 * 3 * 4 * 10 / 43^{2 *} (143 - 15(134-10(0-1+1)))

What is (0-1+1)?

500

What is your first step in; 15x² + 23 -(34x² +24x - 20)

What is Distribute the Negative?

Evaluate the Expression

100

15x + 204

x = -10

What is 54?

200

9x²

x = 10

What is 900?

300

4g(25g)

g = 2

What is 400?

400

10(2b + c)

b = 2

c = 3

What is 70?

500

x⁵ * 15x⁴ * 141x³ * 354x² * 1250x * (x² - x - x )

x = 2

What is 0?

Combine Like Terms

100

6x + 2x + 8

What is 8x + 8?

200

10x - 5x + 10x²

What is 10x² + 5x?

300

(6x+2y) + (2x+y)

What is 8x+3y?

400

6x + 15(x + y)

What is 21x + 15y?

500

(9m²p+ 5mp²+ 8) + (−4m²+ 7mp²)

What is 9m²p + 12mp² - 4m² + 8?

Factoring

100

Factor 15 out of; 45x + 60y

What is 15(3x+4y)?

200

Factor 60 out of; 60x + 120y - 180z

What is 60(x+2y-3z)?

300

Factor x out of 12x²+144x

What is x(12x + 144)?

400

Factor -1 out of; -x - 155 + 340

What is -1(x + 155 - 340)?

500

Factor 4 out of 288x + 396y - 444z

What is 4(72x + 99y - 111z)?

Remove Stuff

100

x + 19 = 210

What is subtract 19, OR add a negative 19?

200

15x = 75

What is divide by 15, OR Multiply by 1/15?

300

54 - x = 90

What is Subtract 54, or Add Negative 54?

400

27x = 81

What is Divide by 27, OR Multiply by 1/27?

500

x/100 = 1

What is Multiply both sides by 100, or Divide both sides by 1/100?