BEDMAS (Order of Operations)

Word Stuff

100

Give the correct order of operations.

Brackets, Exponents, Division OR Multiplication, Addition OR Subtraction

200

Is it wrong to do subtraction before addition, if you are working left to right?  

no, because addition and subtraction are on the same "level" 

300

Expand 5 ³ 

It means 5 x 5 x 5

400

The problem was 20 - 5 x 2 + 3. My answer was 33. What did I do wrong?

I went from left to right without using the correct order of operations.

500

What is the name of the division sign? 

vinculum (--), solidus ( / ), or obleus ( ÷ )

Fix my Mistake

100

9 - 3 x 2=12

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

200

5 ² + 1=11

5 ² = 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

10 ³ = 30

10 ³ = 10 x 10 x10, which is 1000, not 30.

Solve

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

Solve

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

Pre-Algebra

100

What is the difference between an equation and an expression? 

equations have equal signs, expressions do not. 

200

Name three different ways to express division. 

quotient, ratio, percent, split up, divisor, divided into/by, half/third/quarter/..., per, 

300

isolate the variable: y * 3 = 6

y = 6/3

400

9 times the difference of n and 4 gives 29

 9 * (n-4) = 29

500

isolate the variable: -x + 9 = 45

9 - 45 = x