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.
3 + 4 x 5
23
14 - 2 x 7
0
(15 +26 - 5 ) ÷ 4 - 3
( 3 + 5 )2 + ( 8 - 14 ÷ 7 )
6
70
Why is it important to know PEMDAS as a mathematician?
So everyone can solve every problem the same (correct) way.
5 2 + 1=11
5 2 = 25, not 10. Correct Answer is 26.
7 + (2 x 4) - 1
14
49 ÷ (3+4) + 52
32
( 3 + 5 )2 + ( 8 - 14 ÷ 7 )
70
What goes first Multiplication or division?
Order of operations tells you to perform multiplication and division first, working from left to right.
32 - 6 = 0
3 2 = 9, not 6. Correct answer is 3
56 ÷ (4+4) + 32
16
5 + 14 ÷ 2 × 5
40
(75 - 5 2 ) ÷ ( 27 - 2 )
2
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
8
(4-1)2 + (5+ 1)2
45
(46 - 4 2 ) ÷ ( 8 - 3 )
6
In this problem which step will you have to do first.
32+44-3
Exponents
10 3 = 30
10 3 = 10 x 10 x10, which is 1000, not 30.
(5 x 4) – 6 ÷ 2 + 9
26
12 + 22 x 32 - 42
21
(16 - 7 ) x (14 + 3 ) + 6 2
189