This book introduces the four operations of addition, subtraction, multiplication, and division, along with counting and other basic skills. It can be used to guide your teaching for about two years - through grades 1 and 2. It goes farther than the average second grade course, but with Ray's mental system many second graders are able to do this work.
*Each item labeled as "imperfect" may contain minor scuffs and scratches that in no way affect the use of the product.
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