Learners examine how the National Debt occurs and trace its history from the time of the Revolutionary War through the present.

In this animated and interactive object, learners view American National Standard and International Standard sheet sizes. A quiz completes the activity.

In this learning activity you'll read descriptions of military standards, ANSI, ISO, calibration system standards and audit system reference standards. These topics would be important for the CQT (certified quality technician).

Learners follow the step-by-step process the U.S. Government uses for creating the federal budget. The topics of budget surpluses and deficits and the federal deficit are covered.

In this interactive object, learners change the amount of money received from tax revenue and the amount spent on federal programs as they calculate how fiscal policy affects the gross domestic product (GDP), unemployment, inflation, the annual deficit, the national debt, and interest on the national debt.

Learners view an animated demonstration of how to determine the final output of the combinational circuit.

In this learning activity you'll calculate exchange rates to determine the impact of prices of exports and imports.

Learners use the National Electrical Code to determine the size of a motor overload protection device.

In this screencast, you will learn about the 24 time zones.

In this learning activity you'll demonstrate the magnitude of Gross National Product.

In this learning activity you'll discover different communication styles from around the world.