Students follow steps to transfer data from a list to a histogram.

In this learning object you'll review direct, inverse, joint, quadratic, and combined variations.

In this learning activity you'll examine the terms associated with a grouped frequency distribution and follows the steps to construct a grouped frequency distribution using manual methods.

Learners follow step-by-step instructions for finding the lowest common denominator for a group of algebraic fractions and then enter their answers to three problems. Immediate feedback is provided. This activity has audio content.

In this teaching and learning aid, the user can alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

Learners read a description of how an oscilloscope is used to measure the frequency of a sine wave.

EM (electromagnetic spectrum) Spectrum in space

Choose the best option to complete the sentence.

Play tic tac toe and learn about sampling

You'll focus on how radio frequencies spread under different circumstances.