Pre-Algebra Math Problems

Exponents

100

4²

16

200

8²

64

300

11²

121

400

5⁴

625

500

6⁷

279936

Algebraic Equations

100

2n + 3n = 25

n = 5

200

10n - n = 27

n = 3

300

10n = 500

n = 50

400

7n - 3n + 4n = 64

n = 8

500

5(n - 6n) = 50

n = -2

Algebraic Expressions In Simplest Form

100

5c - 3d - 12c + d

-7c - 2d

200

2z - z + 6 - 10

z - 4

300

4 + h - 8 - h

-4

400

10k - k + 8 - 17

9k - 9

500

Simplify the shape:

Side One: 3a - 1

Side Two: 2a + 3

Side Three: a

2 + 6a

Square & Cube Roots

100

Square Root of 16

Plus/Minus 4

200

Square Root of 9

Plus/Minus 3

300

Cube Root of -512

-8

400

Square Root of 49

Plus/Minus 7

500

Cube Root of 216

6 or -6

Multi Step Equations

100

x + 3(x + 4) = 20

x = 4

200

5(k - 2) - 8k = -34

k =m 8

300

4a - 2(a + 9) = 6

a = 12

400

5 = 6(q - 5) - 19

a = 9

500

The area of a square is x + 4 multiplied by 7. The square is 70 square units. Solve for x.

x = 42