Fractions
A class sold 3/4 of their raffle tickets in the first week and 1/8 of the tickets in the second week. What fraction of the tickets have been sold? What fraction is still unsold?
7/8 of the tickets have been sold
1/8 of the tickets are still unsold
Demonstrating on a Line Graph:
What is 16 plus 18
35
Points apply to the best line graph demonstration
What are mean, median, and mode, in your own words, while using examples?
A shirt costs $40. It is on sale for 20% off.
Identify the discount amount and the new price:
Discount Amount: $8
New Price: $32
3(x−4)=2x+5
x = 17
10 / 21 × 7 / 15
Leave your answer in simplest form!
2 / 9
(−4)(5)+(−3)(2)
-51
What is the mean of the number set:
78, 85, 92, 81, 89
85
A bicycle originally costs $240. It is discounted by 15%, and then a salesperson earns a 4% commission based on the sale price.
What commission does the salesperson earn?
Discount:
15% of $240 = $36
Sale price:
$240 − $36 = $204
Commission:
4% of $204 = $8.16
Solve for x:
x = 10
350 50
x = 70
A submarine is at −3/8 mile below sea level. The submarine descends another 1/4 mile below sea level. At what level will the submarine descend?
-5/8 miles
In your own words, What is the difference between rational numbers and irrational numbers?
Rational numbers are numbers that can be written as a fraction or a ratio.
Irrational numbers are numbers that can’t be written as a fraction or ratio.
Find the median and mode of this set of numbers:
(22, 16, 11, 12, 14, 15, 12, 18, 19, 14)
Median = 14.5
Mode(s) = 12 and 14
A town's population increased from 8,000 people to 9,200 people in one year.
What was the percent increase?
15% increase
A local carnival charges an entry fee of $5, with an additional fee of $3 per ride.
Write a function rule (f(x)) for the total cost, where (x) represents the number of rides. Then, calculate how much it will cost if you go on 4 rides
f(x) = 3x + 5
f(4) = 17
2 6/5 ÷ 18/17
Leave your answer in a fraction!
136/45 or 3 1/45
−5+(32×9)−(−23×4)+57−2
405
A school held a reading challenge. The number of books read by 11 students was:
6, 8, 10, 7, 8, 12, 15, 8, 9, 11, 6
What is the range and median of the number of books read?
If one more student joins the challenge and reads 30 books, how does this affect the mean and median?
Mean: 9.1 = 9 Books
Median: 8 Books
New Mean: 10.8 or 11 Books
New Median: 8.5 Books
A bicycle originally costs $240.
What will be the new price of the bicycle? Compare to the original price.
$194.62
The customer paid $45.38 less than the original price.
A concert venue charges $6 entry fee plus $4.75 per drink.
A student has at most $40 to spend.
How many drinks can the student buy? Write and solve an inequality.
(4 3/2 −1 5/6) × 2 4/5
154/15 or 10 4/15
[(−2 2/3)÷ 4/9]+(5/6×12)
4
8, 12, 14, 15, 18, 18, 20, 22, 24, 24, 27, 29, 31, 35, 38, 42, 50
Organize the data above and build a box plot with the following: Minimum, First Quartile (Q1), Median, Third Quartile (Q3), and Maximum.
Minimum: 8
Q1: 16.5
Median: 24
Q3: 33
Maximum: 50
A washing machine's value decreases by 25% one month and then increases by 15% the next month.
If the washing machine started at $160, what is its value after both changes?
$138
Elena plans to buy 10 ride tickets at a cost of $40.