Tag: Mathematical
Mathematical game: calculating the average speed of cars
The calculation of the average speed of motorists seems simple to solve. However, it is better to reflect… Here are two examples. If you drive 100 kilometers at an average…
Mathematical game: the captain and the partisan
Some questions seem to call for an equation to be solved but lead to unrelated questions, such as purely arithmetic problems concerning prime numbers, for example. You will also be…
Mathematical game: the age question that drives you crazy
When you try to solve them using arithmetic reasoning, some age questions can drive you crazy. Quite simply because it is difficult to follow the statement. Fortunately, algebra simplifies everything……
Mathematical game: how many nuggets did the jeweler use?
In this new math game, find out which nuggets of gold the jeweler used. A jeweler at seven gold nuggets whose weights are all distinct, from 1 to 7 grams.…
Mathematical game: Aristotle’s wheels
Aristotle’s paradox of two wheels, also called Aristotle’s wheel paradox, has given rise to many questions. What’s the problem ? In ” The Mechanics », a text attributed to Aristotle…
Mathematical game: what is the weight of the cork?
Behind a mathematical riddle often hides a more or less deep mathematical question, the question posed being a dressing. This is the case with first degree equations. A father is…
Mathematical game: will you be able to discover the scrambled number?
In the vocabulary of cryptography, to encrypt is to scramble. It does not matter whether we are dealing with Arabic numerals or not. But, of course, it is not forbidden…
Mathematical game: Notre-Dame de Paris and the fourth dimension
A monument almost disappeared and the hearts of the French are touched. Money is pouring in to fix it to the point that some are shocked. Wouldn’t it be better…
Mathematical game: this number is possible, this other impossible!
What is more difficult: to show that something is possible or to show that it is impossible? the professor Phi asks his Alpha students and Beta : – Take a…
A mathematical model to explain the coiling of mollusc shells
What do a snail shell, climbing vines and ram’s horns have in common? All of these biological structures have a spiral shape. To understand the formation of this geometry, a…