Number of the Day is a simple, but powerful, mathematical routine that builds place value understanding. This is a routine I begin to implement with my own math classes very early in the school year, and increase in complexity as the whole class or small group shows readiness for a new challenge. Number of the Day is a perfect routine to begin your math class, as morning work while your class settles in, as a math center, or with a strategy group. I hope this math routine helps build mathemat