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Goldstone, Bruce

Greater Estimations

32 pp. | Holt | August, 2008 | Trade ISBN 978-0-8050-8315-6 $16.95
(3) 4-6 This equally eye-catching follow-up to Great Estimations reviews three estimation strategies: eye training, clump counting, and box and count. Photographs of common objects (rubber ducks, popcorn kernels) and more unusual images (skydivers, red blood cells) allow readers to practice their skills while also visually estimating length, weight, size, and volume. Final pages include practice with "Really Big Numbers."
Reviewer: Tanya D. Auger

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