Quento is a fun and delightful game for all ages that improves your mental calculation ability.
What the media says
How to play Quento
See that 8 above the game board? To make it, you need three numbers. Try this:
6 + 7 - 5
Can you make that 11 by using four numbers?
You're playing Quento!
Enjoy mental calculation
Take your time to find the solution. There's a challenge for everyone. Without pressure.
You decide when to start the next round. And if you get stuck, a subtle hint will guide you without spoiling the fun.
The Daily Quento
Wake up and train your brain with the Daily Quento, a fresh puzzle every day of the week.
Why not challenge a friend, partner or co-worker to the Daily Quento and see who's best?
If 1 to 9 is too easy for you, pick your favorite numbers to play through the rounds.
How about using numbers up to 99? Or all numbers in the table of 7…
Designed for School
Let an individual student, a small group or the entire class engage the same set of rounds adjusted to their needs.
As a teacher, you can prepare a set of rounds for your students, based on their needs. Select the number set, choose the difficulty and generate a code for your students to enter.
Are you a teacher? Enter the code
TEACHER to unlock the code generation screen for free. Your students don't need a paid version of Quento.
Play for free
Enjoy unlimited rounds, the Daily Quento, a special ZEN mode and many different number sets, all for free.
On top of that, Quento never shows ads.
For only $2 you unlock all available challenges, number sets and teacher options. And you support us!