I think we should educate kids about the correct way of math, for example, two plus two is four, minus one thats three quick mafs. If you would like to know where i got this idea here you go, https://youtu.be/7hhQLozezak Copy the link in your browser and you will realize I am doing this for a better world, that kid was called stupid for answering the quetion wrong, but if we change so that he was actualy right children around the world won't feel stupid.