Mental Math Basics: The 3 Habits That Matter
Small techniques that make you noticeably faster within a week of practice.
A Simple 4-Level Training Plan
How to move through levels without burning out (and what to do when you plateau).
How to Get Faster Without Making More Mistakes
Speed comes from patterns, not rushing. Here’s a clean way to build accuracy first.
Addition Shortcuts: Make 9s and 19s Easy
The fastest mental math comes from turning awkward numbers into friendly ones.
Subtraction Tricks: Borrow Less, Think More
Subtraction feels slow when you try to do it like on paper.
Multiplication Patterns You Can Memorize in 10 Minutes
You don’t need to memorize everything—just a few patterns.
Division as Reverse Multiplication
Division becomes easy when it’s just the inverse of multiplication.
Two-Step Problems: How to Keep the First Result in Your Head
Two-step arithmetic is mostly attention control.
Micro-Sessions: The Fastest Way to Improve (Without Burnout)
Long practice sessions often reduce quality. Short sessions keep attention sharp.
Accuracy First: Why Speed Comes After
If you chase speed too early, you train mistakes.
A 5-Minute Warm-Up Routine for Better Mental Math
A warm-up primes your brain for faster recall.
What to Do When You Plateau
Plateaus usually mean you’re practicing the same way every time.
Is CalcSprint for Kids or Adults? Both—With One Rule
CalcSprint is simple enough for kids and clean enough for adults.
Keyboard Tips: Faster Input, Less Friction
Speed isn’t only thinking—input matters too.
Night Mode: Train Without Burning Your Eyes
Night mode reduces glare and makes evening practice more comfortable.