Pre-Algebra

Unit 1 Real Numbers

100

Evaluate 5^-2

1/25, 0.04

200

(2 x 10³ ) x (4 x 10^-5)

(8 x 10^-2)

300

√ x + 5 = 12

49

400

3/5 divided by 9/10

5/6

500

(-2)³ - |-10| + 4⁰

-17

Unit 2 Polynomials

100

Simplify 4x + 7y - 2x + y

2x + 8y

200

(x + 3)(x - 5)

x²-2x-15

300

Evaluate 2a²-3b when a = -3 and b =4

6

400

Simplify. 15x⁶y²/3x²y

5x⁴y

500

(2x²+4x-3) - (5x²-2x+1) 

-3x²+6x-4

Unit 3 Equations and Inequalities

100

4(x-2) = 2x + 10

9

200

-5x + 7 >= 22

x <= -3

300

2/3x - 4 =2

9

400

Identify the number of solutions for 

3(x+2) = 3x+6

infinite

500

(x+2)/4 = (x-1)/3

10

Unit 4 Ratios and Percent

100

A pair of shoes originally $80 is on sale for $60. What is the percent decrease?

25%

200

If 3 gallons of paint cover 1,200 square feet, how many gallons are needed for 2,000 square feet?

5

300

Solve the proportion: x/10 = 3/5

6

400

A jacket is $80 but is on sale for 25% off. What is the final price?

60

500

(y-3)/5 = (y+2)/10

8

Random

100

This fruit floats in water because it’s 25% air.

apple

200

The more you take, the more you leave behind.

What are footsteps?

300

I shave every day, but my beard stays the same.

Who is a barber?

400

This animal’s fingerprints are so similar to humans’ that they can confuse crime scene investigators.

Koala

500

Forward I am heavy, but backward I am not.

ton