Mental Math Tricks: MathMind

By Rouba Kiprianos on AppTrack Ninja.

Brain Training & Speed Drills

MathMind teaches you real mental math techniques - not gimmicks, not drills you'll forget tomorrow. Learn the same shortcuts used by mathematicians, chess players, and memory athletes to calculate faster than a calculator. 30 PROVEN TRICKS, 7 CATEGORIES: Master techniques across every major area of mental arithmetic: - Multiplication: square numbers ending in 5, multiply by 11, multiply two-digit numbers instantly - Division: divisibility rules, divide by 5, divide by 25 - Squares and roots: square any two-digit number, estimate square roots - Percentages: the percentage flip trick, tips in s…

Categories: Education, Games, Trivia

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