Every student should understand and use all concepts and skills from the previous grade levels. The standard is designed so that new learning builds on preceding skills. Communications, Problem-solving, Reasoning & Proof, Connections, and Representation are the process standards that are embedded throughout the teaching and learning of all mathematical strands. This document presents the Arizona Mathematics Standard for grade 3. Performance objectives, process integration, and explanation and examples are provided for each strand and concept. [This standard was produced by the Arizona Department of Education Standards and Assessment Division. It was approved 6.24.08. Explanations and examples were updated 1.19.09.]