2018

A discussion on how energy can't be created or destroyed in an isolated system, and works an example of how energy is transformed when a ball falls toward the Earth.

Solving a word problem to find average velocity and speed of an object in one-dimension.

This video explains how to calculate the perimeter of various 2D shapes.

This video explains how to solve inequalities.

An interactive activity on finding the union of sets.

Sometimes, when the probability problems are complex, it can be helpful to graph the situation. Tree diagrams and Venn diagrams are two tools that can be used to visualize and solve conditional probabilities.

This online lesson explores these two tools.