The Book of Facts is a series of 4 teacher resource books that provide instruction lessons for addition, subtraction, multiplication and division number-fact strategies. Each book focuses on one operation in depth. This teacher resource is used in conjunction with The Box of Facts that provide ready-made visual models to reinforce students strategy practice.
Each lesson introduces, reinforces, practices, and extends student understanding of the basic addition, subtraction, multiplication, and division number-fact strategies. ORIGO has chosen strategies that meet three research-based criteria. Each strategy must be effective, efficient, and extendable.
Each book includes for each strategy:
Introduction, reinforcement, practice, and extension activities