How much rain can that cloud make? Through a simulation, the class estimates the amount of candy rain contained in different cup clouds. After probing the clouds using different methods, class members adjust their estimates. Participants...

Space science and math collide in this inquiry that investigates launching times for antacid-tablet rockets! Upper elementary or middle school learners collect data as they launch these mini rockets. They apply concepts of place value...

This site from the University of California provides a lengthy and intelligent discussion of sig figs, absolute and relative precision, accuracy, precision in calculations, rounding off, and the whole shooting match of how we report what...