On the bench · not built yet
Ice Cream Shop
Price cones, cups and pints by volume; customers notice when a cone is a rip-off.
Nearby on the shelf
Grade 8 · Math · Puzzle
Square Root Hunt
Squeeze the square root of 2 between closer and closer decimals on a zooming number line.
Grade 8 · Math · ExplorerSize of Everything
From a virus to the Milky Way: compare sizes in scientific notation on a slider through scales.
Grade 8 · Math · BuilderSki Slope Designer
Design ski runs by slope; too steep crashes, too flat stalls. Rise over run becomes a feel.