Curated OER
Solving Problem Involving Percents- Practice Worksheet
In this middle to high school math worksheet, students practice solving short work problems that involve percents. They solve 12 problems on the page.
Curated OER
Doctor's Dilemma: Advocacy for Whom?
Young scholars investigate why doctors feel torn between patients and insurance companies. They examine the health care system and how it affects patients. They discuss one's ability to afford health insurance as well.
Curated OER
Slick Moves: Exploring the Controversial Plan to Drill in the Arctic National Wildlife Refuge
Students recount their knowledge of natural resources and articulate their understanding of the multi- faceted debate that surrounds drilling in the Arctic National Wildlife Refuge. They then examine the complexity of drilling in the...
Curated OER
Every Breath You Take
Middle schoolers explore the nature of the air we breathe by observing petri dishes that have accumulated particulate matter from the atmosphere. Students make mathematical calculations and inferences about the effect of this matter on...
Curated OER
Oil Market Basics
Students explore the global oil market through a web-quest. In this oil market lesson, students conduct a web-quest to gather information related to the global oil market then design and make a mural.
Curated OER
Outsourcing Jobs to Other Countries: Is Globalization a Threat to American Workers?
Students analyze the effects of outsourcing. In this globalization instructional activity, students listen to their instructor present a lecture regarding the outsourcing of American jobs to other countries. Students respond to...
Other
Tax Foundation: State and Local Sales Tax Rates, 2021
This explanation of state and local sales taxes is accompanied by charts which show the state sales taxes in all the states in 2021, along with information about local sales tax rates.
Other
State Taxes
This site provides tax information about each state in the United States simply by clicking on the name of the state. Links further down the page can be used to find specific state taxes, such as payroll and sales taxes.
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.
Wolters Kluwer
Small Business Guide: Your Sales Tax Obligations
This site gives an overview of sales taxes. Links on the page provide additional information. Click on "What Are Sales Taxes" for an explanation of what kinds of sales are subject to sales taxes. There is also a link for sales tax...
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.
Yale University
Yale New Haven Teachers Institute: Solving Problems "By the Hundreds"
The Yale-New Haven Teachers Institute site contains various math exercises relating to percentage and consumer-related problems. An explanation of sales tax, a related problem and answer are given.
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.