Word Stuff
Fix my Mistake
Solve
Solve #2
Review Problems
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
100
14 - 2 x 7
0
100
Which decimal is equivalent to 2/10
.20
200
Why is it important to know PEMDAS as a mathematician?
So everyone can solve every problem the same (correct) way.
200
( 3 + 3 x 2) - 1 = 11
Multiplication First and then addition. Correct Answer is 9.
200
7 + (2 x 4) - 1
14
200
49 ÷ (3+4) + (3/8 + 1/4)
7 5/8
200
8/12 + 3/7
1 9/42
300
What is the saying we use to remember the correct Order of Operations?
Please Excuse My Dear Aunt Sally.
300
8 + 64 % 4 - 3 = 15
Division first, then addition, then subtraction. Correct answer is 21
300
56 ÷ (4+4) + 3 x 12
43
300
4 + (6 x 4) + (3 x 4 + 12)
52
300
A mall parking has 13 levels. Each level has 26 parking spaces. What's the total number of parking spaces in the mall?
338
400
The problem was 7 + 3 x 4 - 3 My answer was 37. Is it correct? If not, what did I do wrong?
I went from left to right without using the correct order of operations. Right answer is 16
400
4 + 5 + 7 - 3 x 2 = 26
You need to follow PEMDAS and do x first. Correct answer is 10.
400
20 – (5+3) x 2 + 4
8
400
1/6 + 3/8 + (72 % 2 - 24)
12 13/24
400
What is 17.5 x 6?
105
500
The problem was 4 + 5 x 9 - 7. My answer was 74. What did I do wrong?
I went from left to right without using the correct order of operations. Right answer is 42
500
7 + 12 x 4 - 34 = 42
Multiplication first, then addition, then subtraction. Correct answer is 21
500
(5 x 4) – 6 ÷ 2 + 9
26
500
7/ 8 - 2/4 + ( 3 x 12 + 17) - 4
49 3/8
500
What's the value of the expression? 3+8x4 + (77 % 11 + 3/4)
42 3/4
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