PR1ME Implementation Guide Part 2: Measurement, Geometry, Data Analysis and Algebra - created to support mathematics teachers as they implement PR1ME Mathematics in their classrooms. It provides a roadmap to help students in grades 2 to 6 transition to the program. The Guide comes in two parts. The first addresses Numbers and Algebra and Problem Solving Using Bar Models, the second addresses Measurement and Geometry. Designed to help teachers successfully implement the best practices of global top performers in their classrooms.