This artful collection of 40 origami projects brings mathematics to life through the geometry of folded paper. You'll explore properties of triangles, parallelograms, and rhombuses by folding them from squares. You'll fold and arrange pentagons to form beautiful multicolored patterns that tile a floor. And you'll construct the classic Tangram shapes, using them to create and solve puzzles. Teachers, parents, origami enthusiasts, and mathematics learners of all ages will find much to enjoy in this delightful fusion of origami and math.