Shark Swimathon: Subtracting Two Digit Numbers (MathStart 3 Series)

Shark Swimathon: Subtracting Two Digit Numbers (MathStart 3 Series)

by Stuart J. Murphy, Lynne Cravath
     
 

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Shark Swimathon

The Ocean City Sharks have to swim 75 laps by the end of the week, and every day they figure out how many laps are left to go. Swimming and subtraction are all part of the fun!

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Overview

Shark Swimathon

The Ocean City Sharks have to swim 75 laps by the end of the week, and every day they figure out how many laps are left to go. Swimming and subtraction are all part of the fun!

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
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:
9780064467353
Publisher:
HarperCollins Publishers
Publication date:
12/28/2000
Series:
MathStart 3 Series
Edition description:
1 ED
Pages:
40
Sales rank:
288,029
Product dimensions:
8.00(w) x 10.00(h) x 0.00(d)
Lexile:
380L (what's this?)
Age Range:
6 - 10 Years

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