Educational Insights ® he Big IdeaIndependent learning really hits the spot with Hot Dots Let's Learn First Grade Math Workbook! Designed specifically for 1st Graders by educational experts, this set features an interactive, electronic Hot Dots pen with light & sound effects (and a mute button for quiet learning) & 50 pages of standards-based, foundational 1st Grade math activities.Psst...They're Learning! Playful, interactive learning Confidence-building feedback Provides ample practice time, & perfect tool for math intervention Encourages independent learningCut to the Chase Full-color spiral bound activity book with 50 double-sided activity pages, an interactive, electronic Hot Dots Pen with lights & sounds, & mute button Activities include addition & subtraction, place value, geometry & measurement, & more Hot Dots Pen requires 2 AAA batteries (not included)