Art of Problem Solving: Sum the Numbers From 1 to 100

Address any kind of math concept or problem with a series of problem-solving strategies. Over 12 days of different activities and increasing skills, learners practice different ways to solve problems, check their answers, and reflect...

When Gauss's teacher asked the class to find the sum of the numbers from 1 to 100, he quickly realized a relationship and discovered a formula that made finding the answer easy. Share this video with young mathematicians after...

Functions are special relations, but are there special functions? A concept video defines a one-to-one function. Three problem videos cover examples in determining whether a relation is a function and whether it is a one-to-one...

Video tutorial uses examples to reinforce understanding of how to add mixed numbers. [4:03]

Video tutorial uses everyday examples to provide an introduction to mixed numbers. [5:05]

School subjects connect when your young scholars use math to edit English. Math allows you to convert an entire paragraph into a simple equation or inequality. Examples encourage learners to write expressions, equations, and inequalities...

This video tutorial discusses some basics tools for working with inequalities. (Part 1) [2:57]

Find the perfect amount of water for lemonade. Scholars solve the famous problem of measuring four liters of water using a three-liter container and a five-liter container. An interactive allows users to see each step of the solution.

Video tutorial uses examples to reinforce understanding of how to find the sum of square roots. [4:37]

Video tutorial uses examples to reinforce understanding of square roots. [5:16]