King Arthur was a good ruler, but in this math adventure he needs a good ruler. Geometry is explained with humor in Sir Cumference and the First Round Table, making it fun and accessible for beginners. 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. Enter Sir Cumference, his wife Lady Di of Ameter, and their son Radius. Thanks to them, even the most hesitant will be romancing math. Reading Level: Grade 2-5
Sir Cumference and the Great Knight of Angleland chronicles Sir Cumference's son, Radius, in a quest to earn his knighthood by rescuing a king. The circular medallion (a protractor) given to Radius by his father and his mother, Lady Di of Ameter, aid him in examining every angle along the way. Reading Level: Grade 2-5
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 and perimeter of a rectangle and a circle. Introduces an underlying concept of calculus - using straight lines to measure curves. Reading Level: Grade 2-5
King Arthur has issued a challenge. The first knight to find the sword Edgecalibur will be the next king. Join Sir Cumference, Lady Di of Ameter, and their son, Radius, as they race to help their friend, Vertex, find the sword and discover the secrets of cubes, pyramids, cylinders, and cones. Reading Level: Grade 2-5
