Boost your math skills with simple, practical guides designed to help students understand concepts faster and more ...

Start with a deck of cards. Before the trick, sneak a peek at the 10th card in the deck. Memorize it. Ask your volunteer to add the first and second digit of their number together. For instance, if he ...

Add Yahoo as a preferred source to see more of our stories on Google. Math shouldn’t be harder than finding the last matching sock in your laundry. These clever shortcuts convert head-scratching ...

A puzzle asking people to work out the value of an apple, a banana and half a coconut has driven social media friends apart. The puzzle looks simple: it just asks people to do some obvious algebra, ...