Order of Operations

Vocabulary

100

What is the name for a number that can only be divided by itself and one.

Prime number

200

What is the name for a number that is divisible by more than two numbers.

Composite number

300

What are the letters we use to remember the order to perform operations in an equation.

P E M D A S

400

What does each word in PEMDAS represent?

Parentheses, exponents, multiplication, division, addition, subtraction?

500

In order of operations, name the two sets of operations that are interchangeable (you do whichever one you come to first in the equation/expression).

Multiplication & division and addition & subtraction

Solve It!

100

4 + 17 - 2

19

200

4 x (3 - 8)

-20

300

6 + 4 x 10 - 11

35

400

2(3+5) + 15

31

500

4(18-9) ÷ 12 + 8

11

What Do I Do First?

100

15 - 5 ÷ 0.5 + 2 - 1

Division

200

9 × (7 - 3) ÷ 2

Parenthesis (I will also take subtraction)

300

27 x 3 ÷ 3 + 5

Multiplication

400

8 x 7 ÷ 14 - 1²

Exponent

500

(2 + 7²) - 3 - 2

Parenthesis (I would also take exponents)

HarderSolve It!

100

8 ÷ 2 + 5²

29

200

24 ÷ 4(5 - 3)

3

300

6[13 - 2(4 +1)]

18

400

20 - [4(3² +2)]

-24

500

3(6 - 2) _______ 4(2 +1⁴)

1

Number Properties (Use Your Notes!!)

100

6 + 7 = 7 + 6

Commutative Property of Addition

200

Name the property: 82 + 0 = 82

Identity Property of Addition

300

719 x 1 = 719

Identity Property of Multiplication

400

4 x 6 x 7 = 7 x 4 x 6

Commutative Property of Multiplication

500

7(9 - 5) = 7 x 9 - 7 x 5

Distributive Property