Fifth graders study place value. After forming teams, they play a game called, "Who Can Line Up the Number." Students observe numbers in expanded form and place representative digits in the correct order.

Sixth graders listen to "Sixteen Tons" by Tennessee Ernie Ford and discuss what it means to owe one's soul to a store. In this mathematics lesson, 6th graders determine what a miner's income was minus his expenses graphing findings in a...

Young scholars explain why a transiting planet causes a periodic dimming in the light from its parent star. They determine the radius of a planet, and its orbital distance, by analyzing data and manipulating equations. Students compare...

Learners watch the Cyberchase episode, "The Poddleville Case" and play online games to examine how patterns are sequences that repeat or change in an orderly way. The lesson culminates with students creating their own patterns to use in...

A video, a karaoke song to sing along to, and a short quiz on strategies for solving a word problem in an organized way using algebraic thinking.

Sing a song, practice step by step, and then assess your knowledge of adding and subtracting equations.

Sing a song, practice step by step, and assess your knowledge of order of operations with this interactive lesson.