Those Golden Jeans

Discover the joy and excitement of improving your math fluency through four different puzzles. Combine those with 25 different ways to represent numbers and you have hours of enjoyment that can be fun outside of the classroom as well.

Take a look at the product rule and chain rule through the eyes of geometry. The fourth video in an 11-part series continues to explore derivative rules using geometry. An area model and a set of number lines help viewers understand the...

Farmers just farm, right? Find out how important agricultural products are to our modern society. Learners will explore the foods, textiles, and fuels made from industrial farm goods. They'll also explore the idea of choosing an...

If your class has a grasp of square roots, but is having difficulty with the product property of square roots, this video might be for you! In the video, an instructor completes a short proof of the property, defines the property, and...

If your class has a grasp of square roots, but is having difficulty with the product property of square roots, this video might be for you! In the video, an instructor completes a short proof of the property, defines the property, and...

Have you ever noticed that the price of an item in the store suddenly drops or rises? Historians investigate the concept of demand in the sixth installment of a 21-part Economic Lowdown series explaining aspects of the economy. A podcast...

How do people respond when the price of an item increases? Do they want more or less of that item? Young economists investigate the impact of the law of demand on the economy. A short video highlights the concept of prices in relation to...

Scholars view the video, "Donald Duck in Mathmagic Land," and discuss examples in nature which have proportions of the golden ratio. They measure and record different body lengths from a worksheet and convert the ratios to equivalent...

Don't get it crossed—the resource is a great one. Scholars read and watch a video that explains proportions and cross products. They then use an interactive to determine that cross products are equal and answer a set of challenge...

Discover another way to interpret multiplication. Using an interactive, learners slide points (representing the factors of multiplication) along the x-axis of the graph of y = x^2 and observe changes in the line segment connecting the...