๐งฎ Speed Maths Games
The Trachtenberg method, mental maths, the soroban abacus and multiplication tricks: become faster than a calculator.
Games in this collection
Abacus (Soroban)
Science & Maths โ A seven-rod Japanese abacus: learn to read and set numbers, add and subtract with complements, then calculate in your head at speed (anzan).
PlayMultiplication Tricks
Science & Maths โ Nine tricks for fast mental multiplication: squares ending in 5, multiplying by 25, 99 and 15, numbers near 100, and divisibility rules.
PlayTrachtenberg Speed Math
Science & Maths โ Learn the Trachtenberg method to multiply fast using simple rules about neighbouring digits. Eight levels, from ร11 to a final mix.
PlayMental Math Arena
Science & Maths โ Six levels and four modes to train your mind for fast, accurate mental arithmetic.
PlayMath Challenge
Science & Maths โ Add, subtract, multiplyโฆ fast.
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