This is the second book in the Simply Strategies series. It includes ten strategies to help children know or easily recall their basic subtraction facts. Some of the strategies included in the book are: COUNTING BACK, SUBTRACTING FROM TEN, DOUBLES IN SUBTRACTION, SEE NINE... SUBTRACT TEN, and FACT FAMILIES. Each of the ten units includes background information for the teacher and the parents, hands on activities or games for classroom use, student math journal "labels", and a home involvement page. There are also flashcards by strategy at the back of the book. 134 pages.