SCIENCE
Hood, Susan

We Are One: How the World Adds Up

(2) K-3 Illustrated by Linda Yan. Math meets philosophy, as Hood views numbers, specifically groups of one to ten, through a unique and ­thought-provoking lens: the Aristotelian concept that the whole can be greater--more useful, more remarkable, more valuable--than its ­individual components. "One can be one thing / all on its own-- / one star, / one stream, / one stick, / one stone. / But those on their toes, those using their smarts, / know one can be more than the sum of its parts." Take, for instance, "one stick." When combined with other sticks, what can it be? More than just a woodpile, as Hood explains. It can be a campfire, a nest, or even a dam. Upbeat rhyming couplets offer more examples of other numeric groupings: two pieces of bread make a sandwich; two vows, a marriage. Three lines make up a haiku; three letters, the word you. At the bottom of each page, tidbits in prose provide helpful explanations, related trivia, and meaningful extras. Textured and whimsical, Yan's digital illustrations feature a young girl dressed as a golden-yellow star who, ultimately, is joined by a diverse "constellation" of other star-children to celebrate the oneness of humanity. Sources, websites (including a kid-friendly list), and examples of other numeric groups are appended.

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