Maria Zeltser - How to Calculate Like a Magician?
https://www.youtube.com/embed/6uQwhi5WEJM
Most schoolchildren think that Mathematics is boring and complicated. When they need to calculate in their notebooks, or – god forbid – in front of the blackboard, it will take a lot of time and oftentimes leads to erroneous results. It turns out there is no need to go through all that trouble, says Associate Professor of Mathematics at the Tallinn University School of Digital Technologies, Maria Zeltser.