Visit the math metropolis where four friendly Number Heroes host exciting activities that promote investigation and experimentation. Students master fractions, multiplication, division, 2D geometry, and probability as they create dazzling fireworks displays, test their wits at a math game show, solve geometric challenges, and graph data. Special features include strong support of NCTM standards and along with Calculating Crew, cover all major topics in 3rd-6th grade math curriculums.