Book excerpt: This exciting and unique book presents practical, immediately applicable ideas for differentiating instruction in maths in the elementary classroom. It explains in detail the process of differentiation in maths, beginning with lesson planning, through implementation of a wide variety of research-proven instructional strategies and tactics. The ′Ideas from Teachers′ feature, located in various chapters, includes instructional tactics provided by teachers that exemplify the differentiation process. Also included are the ′To Ten Tactics′ lists which provide simple, immediately applicable tactics that can be easily implemented in almost every classroom.