SCIENCE
Murphy, Stuart J.

Double the Ducks

(4) K-3 MathStart series. Illustrated by Valeria Petrone. When his ducks double in number, a young cowboy needs twice as much hay to make the birds' nests, twice as many sacks to carry their food, and so on. While the story is bland, it's a serviceable introduction to the concept of doubling. Bright, exaggerated illustrations feature a freckle-faced cowpoke in an oversize Stetson and chubby ducks with extra-long bills. Related math activities are appended.

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