What Percentage of your Class is Right or Lef Handed?

What better way to celebrate students' birthdays than by creating original math problems? In this open ended challenge, young mathematicians must make numerical expressions using parentheses, exponents, and three other operations that...

Amaze your classes with the ability to find side lengths of triangles immediately — they'll all want to know your trick! Learners use the Pythagorean Theorem and special right triangle relationships to find missing side lengths.

Introduce your classes to a new world of mathematics. Pupils learn to call trigonometric ratios by their given names: sine, cosine, and tangent. They find ratios and use known ratios to discover missing sides of similar triangles. 

Determine whether it is right or not. Using the Pythagorean Theorem, the video shows how to determine whether a triangle is a right triangle. Pupils practice the skill in a few of the problems in the associated worksheets on the...

Help your class develop a greater understanding of the area of a right triangle. The video starts by reviewing the area of a rectangle and noting that the rectangle is made up of two congruent triangles. Learners are then shown that in...

Ever wonder what you are paying for a single fry at McDonald's? An engaging lesson compares the cost per fry in a small order to a larger order. It's a great application of unit rate that is sure to make your classes hungry for more!

You hit the jackpot with a fun lesson! Peak your pupils' interest with a lesson calculating the probability of poker hands. A video shows the different types of possible hands when given a specific hand and one card to draw. 

Fuse sports and geometry by having your class create paper footballs—that are actually isosceles right triangles! Scholars use an interactive to create an isosceles right triangle to model a paper football. From the information in the...

Help your class get their bearings when it comes to right triangles. Pupils determine distances traveled or components given the bearing of a sailboat using an interactive. The scholars develop a sense of finding the bearings of a given...

Raising the global temperature by two degrees may not seem like much, but the impact this would have on the planet is amazing. Follow along with this short video as it examines how even a small change to a system can turn its regular,...