Every teacher, parent and child should have this book.
Published by Thriftbooks.com User , 27 years ago
Fantastic Math Tips! With out a calculator quickly learn to do math in your head that you would never have believed you could. Every parent should buy this book for themselves, their children and their children's teachers.In less than FIVE minutes you can learn to multiply in your head up to 20x20. For examples of similar techniques that will show you what you can learn check out..
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