Twizzlers Percentages Book - ISBN:0439154308

Twizzlers Percentages Book

Date: 28 April 2011, 10:10

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Grades 2-4--This colorful book uses Twizzlers as the device to clarify the concepts and will definitely get students' attention. The page that illustrates 100% has 90 red Twizzlers and 10 black ones arranged across the spread. However, readers who are not familiar with math may be confused as the terms "numerator" and "denominator" are introduced on page 2 but not defined until page 10 and on occasion a term is used in its own definition. In addition, the use of a talking spaceship seems unnecessarily juvenile and does not relate clearly to the candy theme. This disjointed approach is also apparent in the sudden introduction of baseball statistics as percentages; they are an abrupt curveball in the normal flow of the text and examples. Also, the mention of "rounding off" and the term "non-terminating decimals" on the next to last page create unnecessary confusion. A book with potential if used judiciously.
Edith Ching, St. Albans School, Mt. St. Alban, Washington, DC
Copyright 2002 Cahners Business Information, Inc.

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