PreAlgebra!

GCF/LCM

100

Find the GCF of 24 and 36.

12

200

Find the GCF of 21 and 40.

1

300

Find the LCM of 15 and 30

30

400

Find the LCM of 35 and 48

1680

500

Simplify (30xy³z⁴)/(70x⁶y⁴z⁴)

What is (3)/(7x⁵y)

To Add, or Subtract

100

15 + c = 20

What is c = 5

200

r - 1,078 = 4,562

What is r = 5,640

300

-5/8 + 7/9

9/72 or 1/8

400

x-14 = -19

What is x = -5

500

22 - x + 3 + 2x = -6

What is x = -5

Don't Be So Negative!

100

5 + (-9) =

What is -4

200

13(-1)

What is -13

300

4 / -2 =

What is -2

400

-3 - (-3)

What is 0

500

5 - (-5) + 2(-4)

What is 2

Powers That Be

100

Simplify 8³ x 8⁸

What is 8¹¹?

200

Simplify 9¹¹ x 9¹⁰ x 9⁴

What is 9²⁵?

300

Simplify x¹⁸/x²

What is x⁹?

400

Simplify (14x²y⁵z¹⁴⁾/(28x⁶y²z¹³)

What is (2y³z)/(4x⁴)

500

Evaluate for x = 2, y = 3, z = 4:

2x^-3y⁰z²

What is 4?

"Dear Algebra, Please stop asking us to find your ex."

100

2x + 3 = 19

What is x = 8

200

2(x - 3) = 2

What is x = 4

300

x ÷ 4 = 32

What is t = 128

400

5.6 - x = -7

What is x = 1.4

500

Find the value of x:  (1/2)x + (3/8)x = 14

What is 16?

Fractions

100

2/3 times 1/3

2/9

200

2 3/7 divide 1 1/3

51/28 or 1 23/28

300

Simplify: 

99/225

33/75

400

Which is larger? 

22/43 or 10/19

10/19

500

Put in order from Smallest to Largest: 

1/5 3/4 7/10 4/5

1/5 7/10 3/4 4/5

Surprise!

100

Write the scientific notation: 35,210,000,000

3.521 X 10^10

200

Find the scientific notation: 0.0000375

3.75 X 10^-5

300

Express as a mixed number: 32/5

6 and 2/5

400

36 - 18 ÷ 2 x 3 + 8

What is 17

500

A field trip costs 75 dollars for the bus, plus 5 dollars per person for a ticket and 4 dollars per person for lunch. The total cost of the trip is 174 dollars. How many people came?

What is 11 people