Levels 9 & 10 Arithmetic Read-Aloud Set


Join Sir Cumference, Lady Di of Ameter, and their son Radius for wordplay, puns, and problem solving in these geometry-packed math adventures. King Arthur was a good ruler, but now he needs a good ruler.

Sir Cumference is a great teaching tool for students. It introduces circumference, radius, diameter, octagons, ovals, rectangles, and more!