Advanced Mental Math

Mental Math · Axiom Academy

Master calendar calculations, speed techniques, and competition-level mental mathematics Imagine instantly knowing what day of the week any date falls on. Try adjusting the year to see how the calendar pattern changes: In competition math, speed matters as much as accuracy. Watch how advanced techniques break down a complex multiplication: Test how advanced techniques improve your calculation speed: Calculate any weekday using modular arithmetic and pattern recognition Extract square roots mentally using digit-by-digit methods Master cross-multiplication and breaking techniques for 3+ digit numbers Use reciprocals and estimation for lightning-fast division

This is the written version of the interactive lesson above. See the full Mental Math course.