Taxes
A pair of socks costs $10. Sales tax is 8%. How much is the tax?
$0.80
3(4+6)
30
Write 0.5 as a percent.
50%
What should you always check after solving a math problem on the test?
Check your work / reread the question
A car travels 120 miles in 3 hours. What is the unit rate?
40 miles per hour
A meal costs $25. The sales tax is 8%. What is the total cost?
$27.00
5(x+7)
5x+35
Write 0.25 as a percent.
25%
What is one strategy that helps prevent careless mistakes?
Underline key information / box numbers / slow down
A pack of 6 notebooks costs $9. What is the cost per notebook?
$1.50 per notebook
A video game costs $60. The tax rate is 7.5%. What is the tax amount?
$4.50
4(2x−5)
8x-40
Write 0.875 as a percent.
87.5%
If you don’t know how to solve a problem, what is one thing you should try first?
Eliminate wrong answers / estimate / set up a ratio
A runner runs 10 miles in 80 minutes. What is the unit rate in miles per minute?
0.125 miles per minute
A jacket costs $80. Sales tax is 8.5%. What is the total cost?
$86.80
Which expression is equivalent to 3(2x+4)
6x+12
Write 1.2 as a percent.
120%
Why is estimating helpful on multiple‑choice questions?
It helps you eliminate unreasonable answers
Which is the better buy:
12 apples for $6 or 18 apples for $9?
Same price (both are $0.50 per apple)
A laptop costs $600. The total cost after tax is $648. What was the tax rate?
8%
6(5+x)
30+6x
Which is greater: 0.4 or 38%? Explain how you know
0.4 (40%) is greater than 38%.
You are running out of time on the test. What is the best strategy to earn the most points?
Answer the easy questions first and guess using elimination
A machine produces 450 parts in 9 hours. How many parts does it produce per hour?
50 parts per hour