Beat David

One shot. Beat David. A Daily Math Challenge that takes about one to three minutes. Add, subtract, multiply, divide, and take on a changing lineup of quick number games. Finish faster than David to win. • Play today’s official challenge once, free • Try three sample questions before you start • David’s time stays hidden until you finish • The clock keeps running if you leave the game • Track your wins and losses in History • Text your result to a friend or share it on social media TRAIN Yesterday’s game is free to practice as often as you like, with fresh questions each round. Today’s game becomes free to train after your official attempt. Unlock Unlimited Training with an optional one-time purchase to train on all earlier games. Future games stay locked. Training does not change your official record or give you another daily attempt. A new daily challenge opens at midnight Eastern…