Gr 4-5--Slightly more difficult than the first entries in this series, these titles are more for readers who are already acquainted with the mathematics discussed. Multiplication and Division don't explain these processes in detail, but rather offer ways for youngsters to improve their skills. Fractions assumes familiarity with equivalency, reducing, and adding fractions. The books' games and puzzles are sure to entice students, and math teachers will have fun using some of the activities in the classroom. Supplemental purchases.
JoAnn Rees, Sunnyvale Public Library, CA
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