Word Stuff
Fix my Mistake
Solve
Solve
Expressions
100

What's the Order of Operations? (What word do we use?)


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

2 less than a number 

n-2

200

What is division the opposite of? 

Multiplication!

200
5 2 + 1=11
5 2 = 25, not 10. Correct Answer is 26.
200
7 + (2 x 4) - 1
14
200
49 ÷ (3+4) + 52
32
200

A number 5 less than 6 times 5

6*5 - 5

300

What's a negative TIMES a negative equal? 

Positive!

300
32 - 6 = 0
3 2 = 9, not 6. Correct answer is 3
300
56 ÷ (4+4) + 32
16
300
5 + 14 ÷ 2 × 5
40
300
The quotient of a 10 and 5

10/5 = 2

400
Tell what 5 3 really means.
It means 5 x 5 x 5
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
(4-1)2 + (5+ 1)2
45
400

The sum of 5 and 3

5+3=8

500
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
10 3 = 30
10 3 = 10 x 10 x10, which is 1000, not 30.
500
(5 x 4) – 6 ÷ 2 + 9
26
500
12 + 22 x 32 - 42
21
500

Twice the sum of 10 and a number

2(n+10)

OR 

2(10+n)


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