Mental math, reworked
Make the numbers work for you.
Turn one difficult calculation into a set of smaller, clearer moves — ranked by mental effort.
Original24 × 25
Simpler6 × 100
Your ranked routes will appear here.
How it works
A mental math calculator that explains the route.
CalcTrick looks for equivalent calculations that demand less mental effort. It ranks the useful routes, keeps the arithmetic on your device and lets you reveal every step when you want to understand the method.
1
Enter a calculation
Use addition, subtraction, multiplication or division.
2
Compare easier routes
Start with the strategy that has the lowest mental effort.
3
Learn the pattern
Open the details, then reuse the same idea with new numbers.