Shark Swimathon
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Shark Swimathon (MathStart: Level 3)

3.81 of 5 stars 3.81  ·  rating details  ·  32 ratings  ·  10 reviews
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!
Paperback, 40 pages
Published December 26th 2000 by HarperCollins (first published November 15th 2000)
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"Shark Swimathon" is a wonderful book about teaching kids how to subtract two-digit numbers. The book is about a team of sharks, Flip, Flap, Gill, and Stripes. Their coach, Coach Blue challenges them to make 75 laps in a week in order to win some tacos! After each day, the sharks swim a certain number of laps and Coach Blue subtracts that amount of laps from the 75 laps that they will have to complete by the end of the week. Coach Blue shows how subtracting occurs, first by subtracting the ones,...more
Oct 08, 2011 Dolly rated it 3 of 5 stars  ·  review of another edition
Recommends it for: parents reading with their children
This is another fun story in the MathStart series by Stuart J. Murphy. We like these books; they incorporate math principles into the story and show how math is fun and necessary for everyday life. This story shows how to track progress toward attaining a goal through math. The illustrations are fun, and while the story is a bit predictable, it was also entertaining. We enjoyed reading this book together.
Ashley Sparks
I found this in my first grade classroom's library. This is a good book about teaching children how to borrow and subtract double digits. The fun story will keep your kids engaged while they learn at the same time. I am always interested in books about math concepts because they seem to scarce( I could be wrong). I think it's good that you can have a fun story that teaches children a math concept at the same time. It's the best of both worlds!
Deanna Donald
This is a great book when teaching double digit subtraction. The students become engaged in this book as they have to solve double digit subtraction problems to see how many laps the sharks will have to swim in order to win the race. Its a great read especially for teaching a lesson on double digit subtraction as students can definitely relate to races as students are involved in sports!
Chelsea Ulrich
This book would be helpful for subtraction and could even work with multiplication and division. Students could work on subtracting the laps on their own as the sharks completed them and then check to see that their answers were matching the sharks. I could see using this book to give students the chance to try invented strategies and share their strategies with classmates.
Seth Lebaron
This book is great for working with subtraction of two-digit numbers, addition, and multiplication. The Addition could even be designed like the grapes of math book the teach the multiplication.
Filled with tons of two-digit subtraction examples and would be a great way to integrate literature into the math lesson of introducing 2-digit subtraction.
Katherine Fountain
Great for introducing or reviewing subtraction with regrouping
I didn't really like it that much. It was all about math.
Christen Griego
K and 1st
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