On the bench · not built yet
Savings Plan
Compare saving plans (add $10 a week vs double a penny a day); sequences and series show who wins and when.
Nearby on the shelf
Grade 11 · Math · Map
Imaginary Island
Explore the complex plane as an island map; multiplication by i rotates you a quarter turn.
Grade 11 · Math · BuilderRollercoaster Polynomials
Design a coaster track by choosing zeros and degree; the ride has to start and end at ground level.
Grade 11 · Math · Role PlayWork Rate Crew
Schedule painting crews working at different rates; rational equations decide how long jobs take together.