How Do You Find an Average?

Here is a fabulous activity on problem solving in the mathematical world. In it, third and fourth graders get lots of great coaching on how to approach word problems, and how to best find a solution. They watch an episode of Reading...

Your learners will get lots of practice calculating simple and compound interest by the end of this lesson. Simple explanations and examples lead learners through the concepts and steps of calculating simple and compound interest...

Planning a unit on simple machines? Save some time and energy with this collection of lessons and activities that explores how these devices are used in the real world to make life a little easier. 

A few word problems involving age are presented. Starting with a simple problem and progressing to more complicated word problems, Sal uses a chart to organize the information given in the more complicated problem to solve for the variable.

For most people, solving word problems takes a lot of work. But Sal makes it look simple! Follow along as he unpacks this complicated word problem. He even demonstrates how to answer. Excellent!

Combine several mathematics concepts as classes solve linear systems. After writing a system of equations involving a proportion, learners then solve the system. A video instructor uses the substitution method and must work...

Apply solving linear equations to averages. A helpful video presents an average age problem given two unknown ages. Pupils learn how to set up the problem from the given information. They see how the equation is reduced to a two-step...

This video examines a simple rate problem. The listener must compute whether four trains traveling different distances over different amounts of time are moving at the same constant rate. This problem reinforces one's basic understanding...

How much is owed? A calculated resource introduces the simple interest formula with a video that describes how to use it. Classmates then show what they know by answering questions within a simple interest worksheet.

There are rabbits, rabbits, rabbits everywhere. Not this group of rabbits. Use a table to find some x and y values to create a graph to solve this word problem. It's a rather peculiar word problem in that it is trying to find when a...