Does your class groan when they see a problem that starts out, "A train leaves the station at 9 a.m. going 50 miles an hour..."? Well, after today, they'll actually look forward to brain teasers like this. (Really!) That's because with modeling, your students can ace even the toughest rate-and-distance problems in just a few minutes. You'll work your way from easy to complex problems and get some tips for helping kids grasp the concepts of speed, rate, time, and distance.