
Ratios, Rates, & Percents (Extension)
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
+3
Standards-aligned
Kaitlyn Alaniz
Used 4+ times
FREE Resource
5 Slides • 11 Questions
1
Make sure you have your PACKET & HEADPHONES
2
3
Multiple Choice
1. Derrick deposits $300 into a new savings account. The account earns interest at a rate of 2.18% every 6 months. How much money does Derrick have at the end of the first 6 months including interest?
$300
$302.18
$306.54
$13.08
4
Math Response
3. Marcus is painting all the walls in his apartment, which he estimates to be a total of 1,450 square feet. He computed that he is finished with 60% of the painting. Approximately how many square feet of wall space remain to be painted?
(Numeric Response only - No units)
5
6
Multiple Choice
5. A piece of furniture has a retail price of $3,200 and is on sale at a 30% discount. How much money will be saved if the piece of furniture is purchased at the sale price?
$1,400
$840
$96
$960
7
Math Response
Use the scenario to answer Questions 6 and 7.
A store originally priced a painting at $140. After a few months, the price of the painting was marked down by 30%. Leyla earns an 8% commission for each painting she sells (a commission is an amount of money a salesperson earns after selling a product…almost like a tip).
6. Leyla sells the painting at the reduced price. How much does she earn in commission? Show your work or explain how you arrived at your answer.
8
Math Response
Use the scenario to answer Questions 6 and 7.
A store originally priced a painting at $140. After a few months, the price of the painting was marked down by 30%. Leyla earns an 8% commission for each painting she sells (a commission is an amount of money a salesperson earns after selling a product…almost like a tip).
7. How much MORE would Leyla have earned if she had sold the painting at the original price? Show your work or explain your reasoning.
9
10
Math Response
9. What is the monthly earnings of the average architect in each city?
DALLAS
11
Math Response
9. What is the monthly earnings of the average architect in each city?
Lubbock
12
Math Response
10. What percentage of an architect’s monthly earnings is spent on housing in Lubbock? Round your answer to the nearest whole percent.
13
Multiple Choice
11. Which statement is best supported by the information presented in the table?
Childcare in Dallas is two times more than childcare in Lubbock.
Regardless of which city an architect lives, food accounts for 10% of the monthly budget.
Food costs and medical expenses are the same regardless of which city an architect lives in
Regardless of what city an architect lives in, housing is the highest expense
14
Math Response
12. Approximately what percent of an architect ‘s income in Dallas is spent on transportation and other costs? Round your answer to the nearest whole percent.
15
Multiple Choice
13. An employee is marking up new merchandise by 35%. The price they paid for an item is $120. What price will the employee place on the item?
$150
$155
$165
$162
16
Make sure you have your PACKET & HEADPHONES
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