This unit was designed for first grade to teach how to represent, order, and compare numbers using place value. Students will be using their knowledge about numbers to determine and justify the quantity of a real-world item they want, as well as representing that quantity in various ways.
Zelaya, Marian R. and Sanchez, Leah, "Place Value: Representing And Comparing Numbers (1st grade)" (2016). Understanding by Design: Complete Collection. 348.