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FDP
Unit Rate & Unit Cost
Proportions
Cost After Discount
Decimal Operations
100
Write 1/4 as a decimal and a percent.
1/4 = 0.25 = 25%
100
Three paperback books cost $20.25. What is the unit cost for one paperback book?
$6.75
100
Is the following a proportion? 5/6 = 20/30
5/6 = 20/30 is NOT a proportion
100
What is the price of the discount of a jacket that originally costs $85 is 15% off?
$12.75
100
75.42 + 86.13 = ?
161.55
200
Write 0.17 as a simplified fraction and a percent.
0.17 = 17/100 = 17%
200
Staples is selling 5 pencils for $2. At that rate, how much will 3 pencils cost?
$1.20
200
Is the following a proportion? 9/12 = 6/8
9/12 = 6/8 IS a proportion
200
An E-Reader originally costs $129. How much will the E-Reader cost after a 25% discount?
$96.75
200
5,000 - 36.89 = ?
4,963.11
300
Write 0.64 as a simplified fraction and a percent.
0.64 = 16/25 = 64%
300
A used records store sells 4 CDs for $19. At that rate, how much will 15 CDs cost?
$71.25
300
Solve for the variable: 8/14 = x/21
x = 12
300
An iPod Touch originally costs $195. How much will the iPod Touch cost after a 15% discount?
$165.75
300
6.97 x 4.8 = ?
33.456
400
Write 89% as a simplified fraction and a decimal.
89% = 89/100 = 0.89
400
A grocery store sells 3 apples for $1.50, and 5 oranges for $3.25. At that rate, how much will 2 apples and 2 oranges cost?
$2.30
400
Ms. I's math class has a ratio of 10 girls to 14 boys. At that rate, how many boys are in the class if there are 15 girls?
There would be 21 boys
400
A local bookstore sells the Hunger Games trilogy book set for $38, and the Divergent book set for $24. How much would one Hunger Games book set and one Divergent book set cost after a 20% discount?
$49.60
400
818.4 / 12 =
204.6
500
Write 5% as a simplified fraction and a decimal.
5% = 1/20 = 0.05
500
Amazon sells 4 Snuggies for $118, and 2 pairs of slippers for $71. At that rate, how much will 3 Snuggies and 3 pairs of slippers cost?
$195.00
500
When solving a proportion for its variable, explain one method in which you can check your answer and why it works.
One method: Plug the variable back in, use cross multiplication to check if cross products are equivalent, and if they are, then you have a proportion and a correct variable!
500
Target sells a dinner table for $175, and a dining chair for $39 each. How much would one dining table and 4 dining chairs cost after an 18% discount?
$271.42
500
109.71 / 6 = ?
18.285