This activity is a basic introduction to writing simple equations. Students are given a set of numbers and will pick two numbers that add to make six. They will write an equation that shows that those two numbers add to make 6.

An interactive simulation that teaches about equivalent, evaluating, and simplifying expressions through games and exercises building coin expressions. This simulation can either be downloaded or played online and includes handouts,...

Mean, median, and mode are three kinds of "averages". The "mean" is the "average" you're used to, where you add up all the numbers and then divide by the number of numbers. The "median" is the "middle" value in the list of numbers. To...