Subtraction 4 - Student Workbook

Subtraction:  Booklet 4 - Large Numbers and Practice   33 pages - stapled booklet The Parent/Teacher Guide has instructions on how to teach the lessons, sample dialogues, games, and the Answer Key.  The Student Workbook has worksheets and practice pages.   We highly recommended that you order both for a complete package.  Click this title to download General Organization Grades 4 & 5 - a free PDF you print. This unique approach to subtraction was developed by Prof. Emeritus Michael Butler and refined by Alysia Krafel at the world renowned UCI Farm Elementary School. Memorizing the recipe for how to borrow does not result in understanding of the basic concepts of regrouping.  The Patterns in Arithmetic series teaches for understanding.  The student constructs understanding through experience not being told "how to do" the problems. Circle Math is our unique way of teaching regrouping.  It is the process of breaking up a large problem into many small problems, solving each s