Book of Facts Subtraction

Description Mental computation is a vital life skill that begins as powerful thinking strategies for the basic number facts. Together, the four titles in the books of facts series provide a comprehensive bank of activities for introducing, reinforcing, practicing, and extending the number fact strategies. each book – provides the necessary mathematical background for each strategy – suggest short prerequistie activities for each strategy – features useful definitions of terms and relevant points of interest – offers ways to assess and record student mastery of facts – includes engaging reproducible blackline masters for students. other titles in the book of facts series includes: – addition – multiplication – division