Sir Cumference
10 books in seriesSir Cumference and the First Round Table Publisher's Summary

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Book 1
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Sir Cumference and the First Round Table
- By: Cindy Neuschwander
- Narrated by: Adam Weber
- Length: 10 mins
- Unabridged
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Join Sir Cumference, Lady Di of Ameter, and their son Radius for wordplay, puns, and problem solving in this geometry-packed math adventure. King Arthur was a good ruler, but now he needs a good ruler. What would you do if the neighboring kingdom were threatening war? Naturally, you'd call your strongest and bravest knights together to come up with a solution. But when your conference table causes more problems than the threat of your enemy, you need expert help.
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Sir Cumference and the First Round Table
- Narrated by: Adam Weber
- Length: 10 mins
- Release date: 11-29-19
- Language: English
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Book 2
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Sir Cumference and the Dragon of Pi
- By: Cindy Neuschwander
- Narrated by: Adam Weber
- Length: 11 mins
- Unabridged
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Sir Cumference, Lady Di of Ameter, and Radius are back in their second Math Adventure! This time, a potion has changed Sir Cumference into a fire-breathing dragon. Can Radius change him back? Join Radius on his quest through the castle to solve a riddle that will reveal the cure. It lies in discovering the magic number that is the same for all circles.
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Sir Cumference and the Dragon of Pi
- Narrated by: Adam Weber
- Length: 11 mins
- Release date: 11-27-19
- Language: English
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Book 3
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Book 4
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Sir Cumference and the Sword in the Cone
- By: Cindy Neuschwander
- Narrated by: Adam Weber
- Length: 12 mins
- Unabridged
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King Arthur has hidden his sword, Edgecalibur, and issued a challenge to the knights. The first knight to find the sword will be the next king. Can Sir Cumference and Lady Di point Radius' best friend, Vertex, in the right direction? Will Vertex's sharp thinking give him the edge?
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Sir Cumference and the Sword in the Cone
- Narrated by: Adam Weber
- Length: 12 mins
- Release date: 11-27-19
- Language: English
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Book 5
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Sir Cumference And The Isle Of Immeter (Turtleback School & Library Binding Edition) (Math Adventures (Prebound))
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Book 6
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Sir Cumference and All the King's Tens
- By: Cindy Neuschwander
- Narrated by: Adam Weber
- Length: 12 mins
- Unabridged
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Join Sir Cumference and the gang for more wordplay, puns, and problem solving in the clever math adventure about place-value and counting by tens. Sir Cumference and Lady Di planned a surprise birthday party for King Arthur, but they didn’t expect so many guests to show up. How many lunches will they need? And with more guests arriving by the minute, what about dinner? Sir Cumference and Lady Di count guests by tens, hundreds, and even thousands to help young listeners learn place-value.
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Sir Cumference and All the King's Tens
- Narrated by: Adam Weber
- Length: 12 mins
- Release date: 11-27-19
- Language: English
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Book 7
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Sir Cumference and the Viking's Map
- By: Cindy Neuschwander
- Narrated by: Adam Weber
- Length: 12 mins
- Unabridged
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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?
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Sir Cumference and the Viking's Map
- Narrated by: Adam Weber
- Length: 12 mins
- Release date: 11-29-19
- Language: English
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Book 8
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Sir Cumference and the Off-the-Charts Dessert
- By: Cindy Neuschwander
- Narrated by: Adam Weber
- Length: 9 mins
- Unabridged
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Sir Cumference and Lady Di need a baker to prepare a special dessert for the annual Harvest Faire. Two bakers compete to see whose dessert is most popular. When Pia of Chartres and Bart Graf have trouble keeping track of the votes their desserts receive, they each develop a better system. Pia places a colored candy around the edges of a pie dough (like a pie chart), and Bart stacks up cookie tins (making a 3D bar graph).
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Sir Cumference and the Off-the-Charts Dessert
- Narrated by: Adam Weber
- Length: 9 mins
- Release date: 11-21-19
- Language: English
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Book 9
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Sir Cumference and the Roundabout Battle
- By: Cindy Neuschwander
- Narrated by: Adam Weber
- Length: 9 mins
- Unabridged
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When Steward Edmund Rounds and Sir Cumference notice that there are strangers camped nearby, Rounds II decides to investigate despite being involved with the task of learning how to make accurate counts of the castle's stores of food, supplies, and weaponry. When he reports back that an enemy is lying in wait, everyone moves quickly to defend the castle. But wait! Will Rounds II be able to figure out how many bows and arrows they have to create an appropriate battle plan?
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Sir Cumference and the Roundabout Battle
- Narrated by: Adam Weber
- Length: 9 mins
- Release date: 10-23-19
- Language: English
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Sir Cumference and the Fracton Faire
- By: Cindy Neuschwander
- Narrated by: Adam Weber
- Length: 9 mins
- Unabridged
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Sir Cumference and Lady Di discover "Fracton numbers" while purchasing cloth and cheese at the Fracton Faire. While two-fourths may seem like the same as one-half, in truth it denotes two parts of one-half, or two quarters of the whole. But the real mystery is the fact that items at the fair keep disappearing, and Sir C, Lady Di, and the Earl of Fracton must set a numeric trap for the thief, teaching an important lesson along the way about the comparative size of fractions.
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Sir Cumference and the Fracton Faire
- Narrated by: Adam Weber
- Length: 9 mins
- Release date: 10-23-19
- Language: English
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