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Subtraction and Counting Division


April 13, 2005

With NCLB and annual assessments on the horizon, teachers are concerned for their students who cannot solve division calculations and do not know all their multiplication facts. If the student has simple subtraction skills and can count, then division with and without remainders is easy, visual, kinesthetic, fast and accurate. My third and fourth graders were quick to master this method and general education teachers are using it with their general ed. students who haven't yet conquered the steps in division, or are without their multiplication facts. Here's an example: For 15 divided by 4, draw 4 boxes in the shape of a square. Next, make a dot in each box as you count to 15. Now, write the number of dots in each box. Write the smaller number atop the division table. Lastly, circle the number of larger numbers and count the circles. This is the remainder.

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