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Sir Cumference And The Viking's Map (Charlesbridge Math Adventures (Hardcover))
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While riding through the forests of Angleland, cousins Per and Radius realize they are lost and are desperate for a map to guide them home. Soon they come across a mysterious house in the hills. Inside they find a map to a treasure belonging to Xaxon Yellowbearyd, the fiercest Viking warrior of his time. Per and Radius must decode the strange numbered grid on the map, while trying to steer clear of the pack of bungling bandits who are on their tail. Will they find the treasure in time?

Lexile Measure: 640L (What's this?)

Series: Charlesbridge Math Adventures (Hardcover)

Hardcover: 32 pages

Publisher: Charlesbridge (February 1, 2012)

Language: English

ISBN-10: 1570917914

ISBN-13: 978-1570917912

Product Dimensions: 9.1 x 0.4 x 9.8 inches

Shipping Weight: 14.4 ounces (View shipping rates and policies)

Average Customer Review: 4.9 out of 5 stars  See all reviews (16 customer reviews)

Best Sellers Rank: #157,246 in Books (See Top 100 in Books) #42 in Books > Children's Books > Education & Reference > Math > Geometry #1304 in Books > Children's Books > Literature & Fiction > Historical Fiction #2606 in Books > Children's Books > Science, Nature & How It Works

Age Range: 8 - 12 years

Grade Level: 3 - 7

Both of my sons have enjoyed the Sir Cumference books. The stories are entertaining and they introduce various topics in math: shapes, angles, geometry, measurement, multiplication, patterning and place value. The Viking's Map follows the adventures of Per and Radius as they try to decode Xaxon Yellowbearyd's map to find the treasure. Chased by bandits, they struggle to understand the grid locations on their map. A fun introduction to graphing, the story makes learning fun.

All of the Sir Cumference books are a huge hit with our 6 year old. She trades her baby teeth (when they fall out) to her father for these books, rather than having a tooth fairy come to collect!

The Sir Cumference books are great for kids interested in math. My 8yo son, who loves math, devours these, though my 8yo daughter who is not interested in math, finds these uninteresting as well. But they teach concepts in a really great, fun way.

My 5 year old grandson loves these books. Creative use of words for math terms even makes them fun to read to him for this 'math phobic' grandma. The stories are cute and he doesn't realize it yet but he'll be hearing those math terms later in school. The author had a very good idea here.

My students loved this book. They wanted to go through it again and again looking for math references. Colleagues from other schools have asked to borrow it for their classrooms.

Good, clear explanation of math in a fun story. Recommended for elementary school aged children. I'm a former elementary and preschool teacher and principal.

This is one of a series of Sir Cumference Books. They are all great and teach children about mathemetics and geometry. A must for all grandmothers!

I really like the Sir Cumference books for teaching math to my homeschooled children. The stories really help bring the math concepts alive.

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