OR.K.1. Number and Operations and Algebra: Represent, compare, and order whole numbers, and join and separate sets.
K.1.2. Connect numbers, including written numerals, to the quantities they represent, using various physical models and representations.
K.1.7. Model simple joining and separating situations and represent them with objects, pictures, and/or numerals.
K.1.8. Choose, combine, and apply effective strategies for solving joining and separating problems.