CM . . .
. Volume XVI Number 35. . . .May 14, 2010
Science and mathematics come together in What's the Difference?. As shown in the excerpt above, the book's text consists of three parts. The first, the factual portion, is some 4-5 lines in length and is set off in a box. This text succinctly explains the situation of the once endangered or still endangered species, how it came to be endangered, and, if recovering or recovered, the steps that were taken or are being taken to contribute to the recovery. The second portion is a quatrain that uses an abcb rhyme scheme. Each poem's contents pose the mathematical (subtraction) problem which then finds a numerical expression via the third "text" portion.
A dozen different creatures are treated via double page spreads: Bald eagles, prairie dogs, Karner blue butterflies, whooping cranes, spotted gopher frogs, American crocodiles, Atlantic salmon, bowhead whales, manatees, sea otters, gray bats and red wolves. Even those young children who don't yet know how to subtract will, after hearing the poem's question, be able to count out the correct answer. Teachers and parents will appreciate the four-page "For Creative Minds" section that concludes the book and which provides additional information and activities for readers. This section can either be photocopied or downloaded from www.SylvanDellPublishing.com. The website also contains "additional cross-curricular teaching activities, interactive quizzes, and more."
Dave Jenkinson, CM's editor, lives in Winnipeg, MB.
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Copyright © the Manitoba Library Association. Reproduction for personal use is permitted only if this copyright notice is maintained. Any other reproduction is prohibited without permission.