Bankrate
Bankrate: Sales Tax: Definition, How It Works, and How to Calculate It
Forty-five states and many local government impose sales taxes on most goods and some services. This article explains the difference between sales taxes and income taxes, and how sales taxes are levied.
National Council of Teachers of Mathematics
The Math Forum: Calculating Sales Tax
Dr. Math is asked about calculating sales tax. A quick and easy to follow explanation of how it works using fractions, decimals, ratio, and percent.
Calculator Soup
Calculator Soup: Sales Tax Calculator
Calculate a simple single sales tax and a total based on the entered tax percentage.
CK-12 Foundation
Ck 12: Arithmetic: Prices Involving Sales Tax
[Free Registration/Login may be required to access all resource tools.] Have you ever had to calculate a tip in a restaurant? Figure out the amount with taxes and estimate appropriate tips.
Other
The Igen Blog: Ultimate Excise Tax Guide Definition, Examples, State vs. Federal
This is a fairly detailed explanation of state and federal excise taxes designed for the layperson, not for tax experts.
CK-12 Foundation
Ck 12: Arithmetic: Total Bill Including Tip and Tax
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate total bills including tips and taxes. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Goodwill
Gcf Global: Percentages in Real Life
Learn how to calculate percentages in real-life situations, from sales tax to discounts to tips.
Other
Lease Guide: Monthly Payments
This site provides information on the monthly payments of a lease. It provides detailed information on the Monthly Payment Formula. It defines the following terms: Depreciation Fee, Leasing Fee, Sales Tax, and Finance Fee. It also...
Illustrative Mathematics
Illustrative Mathematics: A Ced Buying a Car
In this task, students are asked to calculate what a car's list price would be in states with different sales taxes. Its purpose is to help students develop familiarity with different ways to solve a problem. Aligns with A-CED.A.1.