Targeting number sense for students in Pre-K, Kindergarten, and grade 1, of the concept 1 or 2 less than a number. Using dice and counters, students can play with a partner or work independently. Students can be supported by using a ten frame, but are encouraged to use mental math skills to calculate 1 or 2 less than the number they rolled. Run it as a class lesson or use it as a math station. Suggestions of introducing the concept and how to use it are included. Simple and easy to use. Print, laminate, and go!