Shark Swimathon: A Fun Math Picture Book for Teaching 2-Digit Subtraction to Children (Ages 6-10) (MathStart 3)

“Kids, young and old, fall in love with math when they see how real-life and effortless it becomes thanks to these books.” —Kimberly D. Mueller, Ed.D., First Grade Teacher, Ashbrook School, Lumberton NJ

Shark Swimathon is perfect for teaching subtracting 2-digit numbers to second, third, and fourth graders. 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. 

Kids will love the story and the funny illustrations by Lynne Cravath. Parents and other educators will love how the story and pictures make understanding comparisons a breeze—as well as the concrete examples of how math works! The book contains activities for adults to do with kids to extend math into their own lives!

Math skills are life skills, and the MathStart series supports success!

• This award-winning series by Stuart J. Murphy teaches math through stories and visual models
• 63 books divided into three levels with 21 books in each
• Fun activities kids will love are included to help parents and teachers emphasize the lessons
• Engaging and relatable stories, with each story revolving around practical applications of the math concept presented
• Lively art from top-notch illustrators
• Charts and other visual representations help children understand how the math works and promote deeper comprehension

MathStart's unique combination of stories, illustrations, and visual models helps teachers and parents in the teaching of math and provides all children with the opportunity to succeed.

The math concepts taught in MathStart books conform to state and national standards. Level 1 is Pre-K–Kindergarten; Level 2 is Grades 1–3; Level 3 is Grades 2–4. The series follows math topics across grades so there is a foundational path to learning that runs through the levels.

Help kids with their math skills plus their reading skills with the engaging and fun MathStart series!

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.

Lynne Cravath is the illustrator of many popular books for young readers, including the MathStart® books Shark Swimathon, the Penny Pot, and Spunky Monkeys on Parade, all by Stuart J. Murphy. Ms. Cravath lives in Phoenix, Arizona.