National Council of Teachers of Mathematics
The Math Forum: Lines and Slope: Chameleon Graphing
Join Joan the chameleon in an exploration of lines and slope. You'll be drawing lines, calculating slope, using equations and more!
Calculator Soup
Calculator Soup: Inverse Trigonometric Function Graphs
Shows images of inverse trigonometric function graphs.
Calculator Soup
Calculator Soup: Trigonometric Function Graphs F(x)
Images of trigonometric function graphs.
Curated OER
Graphing Calculator T1 81 Click to Enlarge
This Smithsonian article traces the teaching of math in America through "Slates, slide rules, and software." Includes sections on The Early Republic, The World Stage, The Cold War, The Information Age, and Resources.
Curated OER
Cell Biology: Online Onion Root Tips
Online mitosis activity offers the student the opportunity to identify, classify, calculate, and graph the phases of mitosis. Explanations of each phase, actual cells are displayed for classifing and gathering data in this comprehensive...