Pre-Alegbra

Substitute

100

3m² + 5n           If m= 4 and n=-8

8

200

2x² + 3y      if x=5 and y=-4

38

300

4a² - 2b     if a=3 and b=7

22

400

5p² + 2q    If p=-2 and q=-6

8

500

3r² - 4s     If r=4 ans s=-5

68

Order Of Operations

100

5+3x2

11

200

20/4+7

12

300

(10+5) / 3

5

400

5³-(3²x4)+7

88

500

3³+2⁴x(6-2)²

283

Exponents

100

2⁰

1

200

6³

216

300

9⁵

59049

400

-8²

64

500

-10³

-1000

Combine Like Terms

100

3x+5x

8x

200

7y-2y

5y

300

4x+3+2x+5

6x+8

400

9a-4+2a+7

11a+3

500

5x-3y+8+4x+6y-12

9x+3y-4

Fractions

100

2/9 + 7/12

29/36

200

-1 ^1/₂ - 2 ^5/₆

-4/3

300

5 ^7/_{8  x}    3^1/₃

235/12

400

6 ¹/4 - 3 ¹/4

3

500

7 ¹/₃  - 2^2/₃

4 ^2/₃