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Great Estimations Hardcover – August 22, 2006
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Top Customer Reviews
While I don't foresee many repeat readings, there is a lot to like in Great Estimations.
A must for the math section of any kid's bookcase or any teacher's classroom.
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.
Most Recent Customer Reviews
It needed to have more test to sharpen the outlook of estimationsPublished 4 months ago by Amazon Customer
Great quality, great service. Purchased book to use with my first grade class. It is definitely for older students.Published 8 months ago by Janelle
Although this small book is geared towards the lower grades, I saw it used in 6th grade, and realized that it could also be used by adults. Read morePublished 16 months ago by Jan Peczkis