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Word 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

Lilia scores 15 points fewer than Bob, who scores 35 points.  Carol scores half as many points as Lilia.  How many points does Lilia score?

20

200
Why is it important to know PEMDAS as a mathematician?
So everyone can solve every problem the same (correct) way.
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

Lilia scores 15 points fewer than Bob, who scores 35 points.  Carol scores half as many points as Lilia.  How many points does Carol score?

10

300
What is the saying we use to remember the correct Order of Operations?
Please Excuse My Dear Aunt Sally.
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

Travis goes to the book fair where paperback books are $1.50 and hardback books are $3. Travis buys five paperback and two hardback books. How much does travis spend?

 $13.50

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

Sarah bought 2 tables that cost $20 each and 8 chairs for $10 each. She bought enough plates to have one for each chair. If the plates cost $2 each, how much did she spend in all?

136

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

Brandon plays for his high school baseball team the Braves. For the season Brandon hits 22 singles, 8 doubles, 1 triple, and 2 home runs. If Brandon went to bat 72 times how many times did he not get a hit?   

39