Bring a laser-like focus to the mathematics content your students need to learn throughout the year. Written by trusted mathematics experts, this resource helps preK-2 teachers fully answer PLC critical question what do we want all students to know and be able to do? Read the book as a team to acquire detailed model mathematics units, learn how to perform seven collaborative tasks, and more. Use this resource to increase mathematics achievement and provide students with a more equitable learning Introduction by Timothy D. Kanold Part 1: Mathematics Unit Planning and Design Elements Chapter 1: Planning for Student Learning of Mathematics in Grades PreK-2 Chapter 2: Unit Planning as a Collaborative Mathematics Team Part 2: Foundations of Addition and Subtraction Unit Examples, Grades PreK-2 Chapter 3: PreK Counting and Cardinality Chapter 4: Kindergarten Addition and Subtraction to 10 Chapter 5: Grade 1 Addition and Subtraction to 20 Chapter 6: Grade 2 Multidigit Addition and Subtraction Mathematics Team Organization Appendix Create a Proficiency Map Appendix Team Checklist and Questions for Mathematics Unit Planning References and Resources Index