Captain Invincible and the Space Shapes (MathStart 2)

Captain Invincible and his intrepid space-dog, Comet, are on a perilous journey back to Earth!Throughout their mission, the fearless captain and his canine sidekick encounter asteroids, poisonous gas, and alien beings. But will their knowledge of three-dimensional shapes, including cubes, cones, and pyramids, help our heroes navigate past these obst More »