Statistics, known as Central Measures of Tendency, takes a ton of practice for students in grades 3-5. They need a ton of practice to perfect this skill. Games are a great resource in helping cement the skill.
Game 49 game cards in color or black and white.
2 Anchor chart poster to display at the game center (One poster includes mean)
2 Game mats - print 1 board per partnership (one board includes mean)