The student reviews definitions of all ready/already and completes a practice exercise.

In this learning activity you'll discover how your visual perception influences your understanding of ambiguous figures.

Introduces two methods of determining bend allowance; one is simple and is an approximate, the other is more precise. Interactive part has learner calculate bend allowance and blank size.

Learners tackle this interactive learning object after studying the mathematics of buying. This activity ties together the ideas of net cost, list price, trade discounts, cash discounts, net cost equivalent, and single discount equivalent, as well as the concepts of part, base, and rate.

Learners explore the use of complex numbers through a series AC circuit analysis problem. The steps are compared to the graphical method of finding circuit impedance and the phase angle.

With this highly entertaining four-minute animation, learners can visualize the basics of accounting.

Learners answer questions about ferrous metals and alloys using a game show format. Immediate feedback is provided.

Learners answer questions about nonferrous metals and alloys using a game show format. Immediate feedback is provided.

Learners follow an EMT response at a restaurant involving a woman with slurred speech who has weakness on her right side. Students examine response procedures, resources, and medications.

Learners examine a series-parallel circuit and solve 14 problems related to voltage, current, and power. A help screen is provided.

Learners follow a methodical approach for the dc analysis of series-parallel circuits.

Learners review descriptions of 10 personality disorders and then test their knowledge in an interactive softball game.

Students read about the phenomenon of people trying to do their best to be good subjects when participating in research.

Learners examine a series-parallel circuit and solve 14 problems related to voltage, current and power. A help screen is provided.

In this learning activity you'll calculate the difference in the total cost of a new car when using cash and when paying for the car with a 60-month loan.

Learners examine a series-parallel circuit and solve 14 problems related to voltage, current, and power. A help screen is provided.

Students work nine practice problems to determine the total inductance of a parallel circuit. Immediate feedback is given.

Learners solve for voltage, current, and power in a single source, six-resistor circuit. A help screen is provided.