PEMDAS (Order of Operations)

Word Stuff

100

Give the correct order of operations.

Parentheses, Exponents, Multiplication OR Division, Addition OR Subtraction

200

Why is it important to know PEMDAS as a mathematician?

So everyone can solve every problem the same (correct) way.

300

What is the saying we use to remember the correct Order of Operations?

Please Excuse My Dear Aunt Sally.

400

What does the P stand for in PEMDAS?

Parenthesis

500

In what order do we read a math expression from?Right to left  Left to Right   Upside down

Left to Right

What is my value?

100

n=2

9 - n x 2

Correct answer is 5. 

200

n=4

(5 X n) + 2 -1

Correct Answer is 21.

300

n=2

3(n) -5

 Correct answer is 1

400

n=5

n + 7 - 3 x 2 

 Correct answer is 6.

500

n=3

[(10 + 5) /n ] X 5 -2

Correct answer is 23

Solve

100

3 + 4 x 5

23

200

7 + (2 x 4) - 1

14

300

56 ÷ (4+4) + 3

11

400

20 – (5+3) x 2 + 4

8

500

(5 x 4) – 6 ÷ 2 + 9

26

What is my expression?

100

I am 3 less than a number N

N-3

200

I am 4 times number N

4N or 4 X N 

300

I am 5 added to the product of 4 and number N

5 + (4 X N)  or 5 + 4N

400

I am the 2 less than the sum of 8 and a number N

8 + N -2

500

I am 5 increased by the quotient of a number N and 2

5 + n / 2

Random Math

100

round  5.67 to the nearest tenth

5.7

200

2,008 - 1784

224

300

(5X100) + (7X10) + (8 X.1)

57.8

400

What is 17.5 x 6?

105

500

What is the quotient of 120/5

24