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Tag Archives: division
Why Do We Invert & Multiply? An Explanation
Ours is not to reason why, just invert and multiply. WHY! Keep Change Flip WHY! My district’s focus, this year, has been conceptual understanding. Therefore my coaching colleagues and I have been searching for a clear explanation to why we invert … Continue reading
Efficiency is in the Eye of the Beholder
For the past two years, I’ve heard many math educators push the idea of mathematical efficiency. The more I hear the word, efficient, the more I cringe for I feel its usage suggests: Students are thinking inefficiently in defiance. The algorithm is the … Continue reading
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Tagged algorithm, decimals, division, efficiency, math, math education
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