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Published on Apr 23, 2009
Tractor Subtracter personifies the operation of subtraction as an action in everyday living—that of "just" separating, like getting a hair cut, sweeping a floor, and taking a bite out of a sandwich. Unlike Collider Divider, he may separate things into groups of any size (numerically). Go to MOVE IT Math™ on the web @ moveitmaththesource.com for lessons using Tractor Subtracter to teach subtraction as a separating action in elementary school math. The site is full of great basic math lessons that are effective with ALL children, including those who dont know what they ought to know by now and those who need enrichment. Please give us a chance to help you boost grades, increase test scores, and improve attitudes. EVERYONE can learn and like math. We are new to the web but have been making that happen for more than 35 years!