Calculator Soup
Calculator Soup: Square Pyramid Calculator
Use this calculator to determine the volume, surface area, or other figure for a square pyramid, given the other numbers. Users set their parameters for two known variables of the pyramid and find what the unknown amounts would be.
CPALMS
Cpalms: How Many Trees?
[Free Registration/Login Required] In this formative assessment task, learners are asked to find the density and the estimated number of trees in a forest, given certain parameters. Samples of student responses and possible...
TeachEngineering
Teach Engineering: Penny Perfect Properties (Solid Liquid Interactions)
Students investigate the property dependence between liquid and solid interfaces and determine observable differences in how liquids react to different solid surfaces. They compare copper pennies and plastic "coins" as the two test...