King Arthur and his knights have a royal tangle of problems. Their rectangular table is too long and their triangular table is too pointy, but they somehow must sit down and discuss the shape of the future. Join a knight named Sir Cumference, his wife, Lady Di of Ameter, and their son Radius as they use different strategies to solve this quandary. ...
Radius is on a quest. To earn his knighthood he must find and rescue a missing king with only a circular medallion, a mysterious poem, and his own wits to guide him.
King Arthur declares that the first knight to find the sword Edgecalibur will be the next king. Sir Cumference, Lady Di of Ameter, and their son, Radius, show readers the secrets of cubes, pyramids, cylinders, and cones. Full color.
When Sir Cumference drinks a potion which turns him into a dragon, his son Radius searches for the magic number known as pi which will restore him to his former shape.
Amanda Bean loves to count everything, from the books in the library to the popcorn in her bowl. If only she could count faster! Her teacher tries to persuade her of the virtues of multiplication, but Amanda remains unconvinced--until she has an amazing dream. Full color.
When young Per visits her uncle Sir Cumference and his family, she learns how to play the game, "Inners and Edges." After she finds a clue linking the game to the mysterious castle on the island of Immeter, she must figure out how to find the perimeter and area of a circle to unlock the island's secret. Math skills taught include finding the area ...
When Sir Cumference drinks a potion which turns him into a dragon, his son Radius searches for the magic number known as pi which will restore him to his former shape.
Sir Cumference and lady Di planned a surprise party for King Arthur, but no one anticipated so many guests showing up. How many chairs do they need? And the guests need to be fed! Sir Cumference and Lady Di must figure out a quick way to count the guests to bring order to the party.
When young Per visits her uncle Sir Cumference and his family, she learns how to play the game, "Inners and Edges." After she finds a clue linking the game to the mysterious castle on the island of Immeter, she must figure out how to find the perimeter and area of a circle to unlock the island's secret. Math skills taught include finding the area ...
Matt and Bibi unravel a pattern to discover a lost city The Zills are visiting Peru to study the mysterious lost city of Quwi when Matt and Bibi stumble into an adventure. With only each other, their faithful dog Riley, and an unusual ancient relic to guide them, the twins must use their understanding of patterns and sequences to locate the lost ...
The Zills family is off to Paris to see the sights and take a class at the International Pastry Academy! In class, Matt and Bibi have to measure liquids to make lollipops. It's hard work, but knowing about different liquid measurements comes in handy when the Inspector General pays a visit while everyone else is out. The twins want to help. Will ...
We guarantee every item's condition, as described on Alibris. If you are not satisfied that an item is as described, return your purchase for a refund.