iCivics
Taxation
A paycheck stub can offer loads of information on the taxes American citizens pay. This resource not only includes analysis of a stub as an activity, but also provides a wealth of informative reading material on such topics as the...
Cornell University
Cornell University: Law School: Income Tax Law: An Overview
A collection of resources for understanding income tax law, including its roots in the Constitution, federal and state statutes and regulations, judicial decisions, and links to the websites of government and tax agencies.
Next Gen Personal Finance
Next Gen Personal Finance: Taxes Data Crunch
Data Crunches feature one chart or graph followed by five scaffolded questions to guide students through analyzing the data and drawing conclusions. These sets of data help students understand tax concepts.
Social Security Administration
Social Security: Withholding Income Tax From Your Social Security Benefits
The site gives information on the option of having federal taxes withheld from Social Security benefits.