In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.

In this highly animated and interactive object, learners identify the types of waste in a manufacturing process.

In this animated activity, learners examine the operation of a dynamic braking circuit used to quickly stop a motor.

This learning object introduces the student to the calculations involved in a sieve analysis -- including percentage retained and percentage passed.

In this learning activity you'll discover how to calculate the best priced items and improve your financial literacy.

Learners read how to use a lumber rule to quickly and accurately estimate board feet. They then use virtual samples to practice the process.

In this animated activity, students read about weight-volume relationships within a given sample of soil or aggregate. They complete problems using a 3-phase diagram.

This interactive learning object demonstrates how the moisture content is determined for a given sample of soil or aggregate.

Students read an explanation of the use of weight-volume relationships and practice calculating density.

This is a word problems math for grade 3. Enjoy the questions!

Chapter 2 traditional health beliefs and practices

You'll practice converting between units of measure for weight in the English Measurement System.

Geometry review questions