Another embarrassing question and La Libre Belgique newspaper of the 22th of May gives two answers – in french only, sorry. In short: Math develops essential mental gymnastic. Geometry allows us to understand the space around us. Then, students graduating in math succeed better than others, even in literary courses. Finally, most jobs ask for math.
Math are also tools for understanding the world. « The great book of the nature is written in mathematics » (Galileo). Why do we love – or not – the math? The specificity of the math is that it is non-linear. « In six months of tennis, you’ll play better than in only three months. It’s not the same with the math. Practice maths for three months, nothing happens, then once you get it. To love math more, we should build bridges between math and other disciplines. To motivate children to learn an equation, let us explain what happens when they clic on Google. Google is nothing other than math. That seems more motivating than an abstract « x + 2x – 2 ».