Key to Fractions, Book 3: Adding and Subtracting (KEY TO...WORKBOOKS)
<P><EM>Key to Fractions</EM> covers topics from basic concepts to mixed numbers. Handwritten examples provide a non-threatening model, and exercises are structured to ensure student success. <EM>Key to Fractions</EM> works well for elementary students learning new skills as well as for older students revisiting topics.</P><P><EM>Includes: Book 3 of Key to Fractions</EM></P>