Arithmetic Quest

Learn math by playing. Arithmetic Quest is a free, Duolingo-style game that starts in first grade and climbs all the way to college. Every learner begins in Counting Cove and works up through the four operations, fractions, decimals, and on toward algebra, geometry and calculus.

Tally's Trial

Every day, Tally the octopus offers a brand-new timed Trial: a race to solve simple equations before she does. Score 90% or better and beat the clock to win 50 Calculator Tokens — the coin of the whole quest.

The worlds

Counting Cove (first grade), the Addition Lagoon, the Multiplication Reef, the Division Depths, and the Fraction Trench — with a Ratio Reef, Pre-Algebra Vents, Algebra Currents, Geometry Shoals and a Calculus Lighthouse still on the way to college.

Short, friendly 2–4 minute lessons with instant feedback. Boss battles against sea-creature keepers. Hearts, streaks, levels and badges. Chat with AI recreations of great mathematicians. Earn Calculator Tokens with your eight-armed guide, Tally. Works offline and installs to your home screen. No account needed. Sister project to Literature Quest and Eureka Quest.