Great Estimations

Great Estimations
by Bruce Goldstone

Great Estimations
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Book Summary Information

Author: Bruce Goldstone
Edition: Hardcover
Audio: English (Unknown); English (Original Language); English (Published)
Published: 2006-08-22
ISBN: 0805074465
Number of pages: 32
Publisher: Henry Holt and Co. (BYR)

Book Reviews of Great Estimations

Book Review: Open the book and be amazed!
Summary: 4 Stars

Take a good look at the book cover. Quick, how many jelly beans are there? If you have no idea, open the book and be amazed!
The clear, colorful photos in Great Estimations are more than just picture puzzles. From pencils and gummy bears to a flock of penguins and a pile of rice grains, each page offers progressively more complex groups of items. How many pretzels are there? How many bunnies?
In brief, conversational text, Great Estimations walks the reader through the art of estimating quantities quickly and easily. No exact answers are given; the goal of each puzzle is to reach a "reasonable estimate," coming close to the real number.
The book begins with eye training: learning to recognize groups of 10, 100, 1,000. Interesting pictures of simple objects make this easier than it sounds.
Next come specific techniques. Clump counting includes counting by tens and looking for patterns. Box and count is another way to get a handle on very large groups.
Estimating has practical applications. For example, how much is your penny collection worth? No need to count every cent; weigh the total and estimate!
Although presented in picture-book format, this attractive handbook has a wider potential audience. Young children who can't count yet will enjoy the detailed pictures and start to develop concepts of "few" and "many." The tips on estimating will be most helpful to someone who already understands multiplication and counting by fives and tens. Adults who consider themselves "math-challenged" will be delighted to discover that estimating is something they can do well.
A final section on "greater estimations" moves from objects spread on a flat surface to three-dimensional estimating. Now you can estimate the number of jelly beans not just on the book's cover but in a fishbowl. It's a skill that could be very handy for winning prizes at a fair, festival, or grand opening.

Summary of Great Estimations

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!
 
Great Estimations is a 2007 Bank Street - Best Children's Book of the Year.

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