Great Estimations -

How many jelly beans are on this book's cover? Don't count--estimate! Readers are shown how to train their eyes and their minds to make really great estimations by making estimating into a game. Full color.

Great Estimations 2010, Square Fish

ISBN-13: 9780312608873

Trade paperback

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Great Estimations 2010, Henry Holt & Company

ISBN-13: 9780805088700

Unknown binding

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Great Estimations 2006, Henry Holt & Company, New York, NY

ISBN-13: 9780805074468

Hardcover

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