You'll LOVE this great Data Measures-of-Central-Tendency: Mean, Median, Mode, & Range Smartboard-Slides-Lesson. Your students will LOVE this interactive smartboard lesson that teaches and practices Mean, Median, Mode, and Range, along with a Card Game for practice. YOU GET 28 slides total, a very comprehensive and complete lesson. You'll enjoy using this great smartboard lesson year after year. WARNING: You MUST have SMART Technologies SMART software, and a SMARTBOARD to teach from, to effec