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 one: 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 experience: Understand how to collaboratively plan curriculum units in grades preK-2. Study the seven unit-planning elements and learn how to incorporate each in unit designs for early childhood education. Review the role of the PLC at Work® process in enhancing student learning and teacher collaboration. Observe four model units related to the foundations of addition and subtraction, one for each grade level. Receive tools and templates for effective unit planning in a professional learning community (PLC). Contents: 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 Unit: Counting and Cardinality Chapter 4: Kindergarten Unit: Addition and Subtraction to 10 Chapter 5: Grade 1 Unit: Addition and Subtraction to 20 Chapter 6: Grade 2 Unit: Multidigit Addition and Subtraction Epilogue: Mathematics Team Organization Appendix A: Create a Proficiency Map Appendix B: Team Checklist and Questions for Mathematics Unit Planning References and Resources Index