High schoolers study kinetic energy and how it works.  In this investigative instructional activity students divide into groups and attempt to break a board with their hand. 

High schoolers compare and contrast the societies of India and the United States by creating a chart. In groups, they give examples of each type of classification. They present their material to the class while identifying the role of...

High schoolers participate in a game to identify major muscle groups in the body and gain an understanding of muscle functions.

Students prepare to become the first to cover four adjacent products, horizontally, vertically or diagonally by selecting factors that make the needed products. They play this game to acquire a healthy appetite for competition between...

Fourth graders are introduced and experiment with the concept of pi. Using this information, they discover the relationship between the circumference and diameter of circles. In groups, they practice measuring the circumference of...

Simple instruction on how to perform addition of two- and three-digit numbers using columns. View animated examples and follow links to column addition worksheets.

Explains how to add three-digit numbers by focusing on each column of digits as you add.

A brief lesson on subtracting from three-digit numbers that includes detailed examples, rules, and further explanation of borrowing.