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Shark Swimathon: Subtracting Two Digit Numbers (Turtleback School & Library Binding Edition)
     

Shark Swimathon: Subtracting Two Digit Numbers (Turtleback School & Library Binding Edition)

by Stuart J. Murphy, Lynne Cravath (Illustrator)
 

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A team of sharks is determined to make it to swim camp and become the best swimmers in Ocean City. But they won't make it if they can't swim 75 laps by the end of the week. How many laps are left to go? This entertaining story with lively art teaches readers various ways to apply the concept of two-digit subtraction..

About the Authors:
Stuart J.

Overview

A team of sharks is determined to make it to swim camp and become the best swimmers in Ocean City. But they won't make it if they can't swim 75 laps by the end of the week. How many laps are left to go? This entertaining story with lively art teaches readers various ways to apply the concept of two-digit subtraction..

About the Authors:
Stuart J. Murphy is the author of all 33 books in the MathStart series, dedicated to showing children and adults that math is a part of our everyday lives. He lives in Evanston, IL.

Lynne Cravath illustrated The Penny Pot for the MathStart series. She lives in Phoenix, AZ.

Editorial Reviews

Children's Literature
Shark Swimathon is a picture book that features a group of young sharks engaged in a contest in order to attend a large swim meet. The team has to swim 75 laps in four days. Each day the coach counts the number of laps each shark swims, adds them together and subtracts the total from the previous day's total. The story revolves around how many laps are left after each day of practice. The sharks learn they have to work together in order to swim all their laps, and they learn how to do double-digit subtraction. The book includes examples of other ways to do subtraction and games that adults and children can play together. The premise of the book and the artwork are very good, including illustrations of the coach subtracting each day's laps from the total. While it is unusual to see a picture book featuring sharks, the story and examples are solid. 2001, HarperCollins, $15.95. Ages 6 to 8. Reviewer: Danielle Williams
School Library Journal - School Library Journal
Gr 1-3-The Ocean City Sharks swim team needs money to attend swim camp. Fortunately, a local bank has promised to send them if the sharks can swim a total of 75 laps by the end of the week. Each day, Coach Blue subtracts the number of laps completed from the total, providing examples of two-digit subtraction. Bright cartoons show a group of enthusiastic sharks carrying book bags and wearing colorful bathing suits. The coach writes the math problems out on a big sign and discusses each new subtraction, allowing readers to follow along and cheer the team on. Regrouping is included, but the concept of changing tens into ones is not fully explained. Still, this entertaining story would work well as a supplement to lessons on two-digit subtraction.-Melinda Piehler, North Tonawanda Public Library, NY Copyright 2001 Cahners Business Information.

Product Details

ISBN-13:
9780613316866
Publisher:
Turtleback Books
Publication date:
12/28/2000
Series:
MathStart 3 Series
Edition description:
THIS EDITION IS INTENDED FOR USE IN SCHOOLS AND LIBRARIES ONLY
Pages:
40
Sales rank:
930,653
Product dimensions:
10.00(w) x 7.80(h) x 0.40(d)
Lexile:
380L (what's this?)
Age Range:
7 - 9 Years

Meet the Author

Stuart J. Murphy is a visual learning specialist. A graduate of the Rhode Island School of Design, he has a strong background in design and art direction. He also has extensive experience in the world of educational publishing. Drawing on all these talents, Stuart J. Murphy brings a unique perspective to the MathStart series. In MathStart books, pictures do more than tell stories; they teach math.

Stuart J. Murphy and his wife, Nancy, live in Boston.

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