Forgot how to multiply matrices? Well, this app can help. It is like a gigantic, well-organized reference card for all things math. Customize your personal reference material by adding your own notes and build up a personalized list of...

In this algebra activity, 11th graders answer a variety of questions dealing with math and science. They match the letters in the questions to the number of the questions. There are 14 questions with an answer key.

In this planetary alignments learning exercise, students use 2 different methods to find out when planet alignments will occur. They use a three number series and they use least common multiples to find out when Mercury and Venus will...

Students will identify the parts of a cannon and practice demonstrating a mock firing. For this math and science lesson, students read background information on the cannon and its firing. Students read about and role play positions near...

Learners examine what Eratosthenes is and the history behind him.  In this earth activity students complete a hands on activity to repeat Eratosthenes' experiment.

Students research the concept of predicting the weather. The research focuses on how some weather facts intuitively make sense. Students answer key questions based upon the mathematical concept of covariance.

Students discover scales for both the solar bodies' relative sizes and their distances from the sun. They find equatorial circumference and volumes of their solar bodies. Students apply estimation strategies and proportioanl reasoning to...

This lesson provides real life applications for divisibility and prime numbers including the Cicada Cycle's use of prime numbers and Cryptography,encryption.