Written by leaders in the field, this best-selling book will guide teachers as they help all Pre-K - 8 learners make sense of math by supporting their own mathematical understanding and effective planning and instruction. Elementary and Middle School Mathematics: Teaching Developmentallywas written to help teacher candidates and practicing teachers understand mathematics and become more confident in their ability to teach the subject to children in pre-K through eighth grade. Structured for easy reference, offering 23 chapters reflecting the latest research to consult throughout one's teaching career, the revised edition infuses NCTM and Common Core State Standards with the benefits of problem-based mathematics instruction. The Eighth Edition better prepares teachers to teach mathematics to all learners by including new strategies for English language learners and students with disabilities. The amount of coverage relating to mathematics in early childhood has been increased. More activities infusing technology and samples of authentic student work are introduced. Increased emphasis on formative assessment, showcased with an icon and notes throughout, guide teachers to master this difficult practice.