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 ...
Ricky is editorial director for CDW's Tech Mag publications. In the quest to make STEM more interesting, teachers are deploying all kinds of tricks. We’ve seen teachers turn math formulas into catchy ...
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