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With the help of a few calculations, the magician identifies the chosen card. Will you be able to do the same?

Can you figure out Gabrielle's birthday?

Choose any number between 1 and 20, make simple moves on a clock, and I’ll guess the value of your die! How can it always be found?

Choose a card, divide the deck into three piles, and spell the name of the chosen card. The math magician will find it.

Pair up cards every time by doing what the magician does in this trick.

What a surprising trick! Just a few simple calculations and bam! The values of not one, not two, but all three dice are revealed!

A number of your choice, jumps of your choice, and the magician finds the sum of 10 numbers without looking. What does he know? How does he do it? It's up to you to find out.

Let’s play with two colors and sort the shuffled cards. With just one question, the magician will impress you.

Every summer day, the number of water lilies in the pond doubles. When will the pond be full? Think carefully, as this puzzle can be quite challenging.

Happy birthday! A riddle where you have to figure out the maximum number of friends present at a party — with a rather strange clue.

How can you slice a loaf of bread into 8 pieces using only 3 cuts of a knife?

Quick! How can you spot the bronze ring in just three weighings on a balance scale? Luckily for him, Mr. Bolzano is a mathematician and knows exactly how to do it! But how does he do it?