PEMDAS (Order of Operations)

Vocabulary

100

A numerical or constant quantity placed before the variable that indicates to multiply to the variable.

Coefficient

200

The vocabulary word that when divided or multiplied by the inverse will result in one.

Reciprocal

300

1/2 divided by 3/4 when written as a fraction is called a __________ fraction.

Complex Fraction

400

Any fraction in which the numerator is 1.

Unit Fraction

500

A specific type of ratio that compares two quantities measured in different units.

Rate

Fix my Mistake

100

9 - 3 x 2=12

Correct answer is 3. Do x then -, not - then x.

200

5² + 1=11

5² = 25, not 10. Correct Answer is 26.

300

3² - 6 = 0

3 ² = 9, not 6. Correct answer is 3

400

4 + 5 + 7 - 3 x 2 = 26

You need to follow PEMDAS and do x first. Correct answer is 10.

500

10³  = 30

10³  = 10 x 10 x10, which is 1000, not 30.

Order of Operations 1

100

3 + 4 x 5

23

200

7 + (2 x 4) - 1

14

300

56 ÷ (4+4) + 3²

16

400

20 – (5+3) x 2 + 4

8

500

(5 x 4) – 6 ÷ 2 + 9

26

Order of Operations 2

100

14 - 2 x 7

0

200

49 ÷ (3+4) + 5²

32

300

5 + 14 ÷ 2 × 5

40

400

(4-1)² + (5+ 1)²

45

500

1² + 2² x 3² - 4²

21

Order of Operations 3

100

4 + 5 x 6 - 3 x 12

-2

200

6 - 7 x 3 + 2 x 5

-5

300

(2 + 4)² - (10 - 8)³

28

400

1/2(5 + 3 x 3) - 4 x 2

-1

500

9 + 3 x 4²/ 8 - 6

9