Courses
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Grade 5 Math
A post-Summer-Lab baseline followed by decimals, operations, fractions, measurement, geometry, and data—with transfer and delayed evidence checks.
Open course →Fractions
Equal parts, number lines, adding & subtracting, mixed numbers, multiplying, dividing — and how fractions connect to decimals and percent.
Start course →Grade 4 Math
IB-aligned maths: place value, multi-digit operations, geometry, decimals, and data — with interactive quizzes throughout.
Start course →Kitchen Science
Hands-on experiments with everyday kitchen ingredients — density, chemical reactions, phase changes, and a foam-erupting catalyst.
Start course →Probability
Coin streaks, Monty Hall, birthday paradox, Pig dice, Plinko bell curve — then run your own booth and find the house edge.
Start course →Cryptography
From Caesar's battlefield cipher to the math protecting your phone — with a spinning wheel, Morse tapper, and puzzles to crack.
Start course →Money & Business
Currencies, budgeting, compound interest, supply & demand — then run your own lemonade stand for 7 simulated days.
Start course →Game Theory
Snitch dilemma, tit-for-tat, RPS vs AI, stag hunt, ultimatum game — six games where the other player decides too.
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