Word Stuff
Give the correct order of operations.
Parentheses, Exponents, Multiplication OR Division, Addition OR Subtraction
9 - 3 x 2=12
Correct answer is 3. Do x then -, not - then x.
14 - 2 x 7
What is 0?
Why is it important to know PEMDAS as a mathematician?
So everyone can solve every problem the same (correct) way.
5 + 1 X 3 -6+ 7
19
What is 9?
7 + (2 x 4) - 1
What is 14?
49 ÷ (3+4) + 5
What is 12?
What these ( ) called?
These are called Parentheses.
(5x5)+3x5+1
141
Not 6. Correct answer is 41
56 ÷ (4+4) + 5
What is 12?
5 + 14 ÷ 2 × 5
What is 40?
Tell what 5 3 really means.
It means 5 x 5 x 5
4 + 5 + 7 - 3 x 2 = 26
You need to follow PEMDAS and do x first. Correct answer is 10.
20 – (5+3) x 2 + 4
What is 8?
7+ (5+ 1) X 9
What is 61?
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.
10 3 = 30
10 3 = 10 x 10 x10, which is 1000, not 30.
(5 x 4) – 6 ÷ 2 + 9
What is 26?
7(2x20)+100
What is 380?