Sixth graders practice converting a fraction into a decimal and a percent. They explain relationships among rational numbers. They order and compare whole numbers, fractions (including mixed numbers), and decimals using a variety of...

Second graders complete math activities with donated seasonal treats. They estimate, count, sort, name and graph bags of treats. They can eat treats when finished.

Fourth graders study the Robert Harris works and modern photographs. They compare fishing in the past and the present. They use their knowledge of equivalent fractions to play a version of the game "Go Fish".

Students set up a classroom currency exchange and explore the idea of bartering to get what they want. They create a monetary unit that is based on fractions and multiples of a standard unit, and compare this system to the U.S. monetary...