Words
Correct my Mistake
Solve
100
Give the correct order of operations.
Parentheses, Exponents, Multiplication OR Division, Addition OR Subtraction
100
9 - 3 x 2=12
Correct answer is 3. Do x then -, not - then x.
100
3 + 4 x 5
23
200
Why is it important to know PEMDAS as a mathematician?
So everyone can solve every problem the same (correct) way.
200
4 + 5 + 7 - 3 x 2 = 26
You need to follow PEMDAS and do x first. Correct answer is 10.
200
7 + (2 x 4) - 1
14
300

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

Please Excuse My Dear Aunt Sally.

300
14 - 2 x 7
0
300
20 – (5+3) x 2 + 4
8
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.
400

1 + 1 + 1 x 0 = 3

2

400
(5 x 4) – 6 ÷ 2 + 9
26
500
5 + 14 ÷ 2 × 5
40
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