Evaluate Expressions

What comes first?

100

What are the order of operations?

What is PEMDAS: 

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

200

When we simplify expression using the order of operations, we do addition/subtraction from _______ to ________

left to right

300

In the expression, 3(5)² What operation would be do first?

5² (the exponent)

400

What operation would you do FIRST in the following expression if y = 5

2y/2

2 times 5

500

What is the name of a letter used in an expression or equation? For example what is the name of "x" or "y"?

a variable

Exponents

100

Which number is the exponent? 

6²

^{What is the other number called?}

2 is the exponent. 6 is the base.

200

5³

125

300

1⁸⁰⁰

1

400

4² + 5²

41

500

3,451⁰

1

Evaluate Expressions

100

If x=3, 

9x

What is 27

200

if x=3,

2x+7

What is 13

300

If x=5

3x²

What is 75

400

If x=5,

2(x+5)

What is 20

500

if x=5,

2x³/2

125

PEMDAS

100

3+1-2-2

0

200

2(2x5-3)

14

300

Solve both

(-1)(8²) AND (-1x8)²

-64 AND 64

400

24 ÷ 6 x 2

8

500

(10-4+3)² ÷ 3

27

Distributive Property

100

Solve.

7(1+3)

28

200

Simplify,

2(x+5)

2x + 10

300

Simplify.

-4(x+5)

-4x-20

400

Simplify.

-5b(6-2b)

-30b + 10b²

500

Simplify.

-3x(-5x + 10x²)

15x² -30x³