How many jelly beans are on this book's cover? Don't count -- estimate!
If someone handed you a big bowl of jelly beans, how would you figure out how many there are? You could count them, one by one -- or you could estimate. Do you see more than five jelly beans? Less than a million?
This unique book will show you how to train your eyes and your mind to make really great estimations -- by making estimating into a game. Jelly beans are just the beginning!
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