In ancient Greece, young Pythagoras discovers a special number pattern (the Pythagorean theorem) and uses it to solve problems involving right triangles.

Find out how math is used by a deep-sea diver.

This book introduces the work of astronauts and includes math problems and puzzles relating to space missions.

Julie Ellis and Phyllis Hornung Peacock team up once again to explore Pythagorean ratios in this humorous sequel to WHAT'S YOUR ANGLE, PYTHAGORAS? Pythagoras and his cousins want to win a music contest, but first they must figure out how to play their instruments in tune, something that's never been done before. While trying to fix the problem, Pythagoras makes an important discovery--notes that sound pleasant together have a certain mathematical...

"Beep the robot would love nothing more than to have her own pet, like her friends do. One morning she gets a surprise delivery--a parcel containing circles, squares, triangles, and pentagons for her to make her own robot cat! Beep realizes that she can't make a pet pal from flat, two-dimensional shapes so, with a flash of magic, the shapes become three-dimensional spheres, cubes, and pyramids. Join Beep as she tries different ways of putting shapes...