Pre-Algebra

Order of Operations

100

Simplify the following expression:

62

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

200

Simplify the following expression:

5

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

300

3 + 4² * (3 + 2)

83

400

45

500

30

Distributive Property

100

8(4+2) = ?

48

200

5(x - 3)

5x - 15

300

7 + 9(2x - 3)

18x - 20

400

-3(-x - 10)

3x + 30

500

x + 10 - 6(x - 3x) + 4

13x + 14

Equations

100

3x+1=-8

x=-3

200

-10+2x=x

x=10

300

6+(k/4)=14

32

400

-5(x+6)-10=10

x=-10

500

4(x-2)=2(x+8)

x=12

Exponents

100

2⁴

16

200

9³

729

300

2³+3²-4²

1

400

(5² + 3³) - 10

42

500

10⁴

10,000

Combine like terms

100

5x+7x

12x

200

3x+6+7x+3

10x+9

300

8+4x+1-12+5x

9x-3

400

-11j+16-22j-27+5j

-28j-11

500

9y+3-4x-2y-3x-5

7y-7x-2