This set contains four cubes dissected four different ways to form a variety of geometric solids. Makes use of the fact that the face diagonal and space diagonal of a unit cube are √2 and √3, respectively, to introduce students to the concept of irrational numbers. Contains an instruction sheet for 7 brain teasers to solve, 11 geometric solids, and 3 reproducible worksheets. The worksheets cover the history of √2, the discovery of irrational numbers, and the Pythagorean Theorem. Cube measures 2.5” on a side. Gr. 3-12.
;)
