On the bench · not built yet

Imaginary Island

Explore the complex plane as an island map; multiplication by i rotates you a quarter turn.

Play style: Map
Module: Complex Numbers: Operations with complex numbers; complex solutions to quadratics
Grade: Grade 11 · Math
Standards: N-CN.A N-CN.C

Nearby on the shelf

Design a coaster track by choosing zeros and degree; the ride has to start and end at ground level.

Schedule painting crews working at different rates; rational equations decide how long jobs take together.

Model a spreading rumor or virus; logarithms answer "when will it reach 1 million?"