2gregwelch
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2gregwelch commented,
JDOG, using your method, for 9 x 8, you would have to calculate all the multiples that preceded 8. That involves almost 30 numbers and 8 calculations. No way this replaces memorization. Are you f...
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2gregwelch created a post,
9-Mulitples using Make10 (we continue to wastes MM of hours of student time - plz read)
Dear Sal Khan, There is a way to make learning the multiplication table at least 10 percent easier, and I hope that Khan Academy will help share it. This simple, easy-to-implement change to element...
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2gregwelch commented,
The goal of the proposed method is to teach the reason and logic that underlies Order of Operations (ie, Mathematics). Using an acronym (PEMDAS, BODMAS, etc.) does not accomplish that. Acronyms re...
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2gregwelch commented,
Thank you for your interest in discussing this. It’s not clear to me whether you are advocating PEMDAS, and if so, how PEMDAS better prepares students for the math topics you bring up.Please take ...
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2gregwelch created a post,
Order of Operations - using Concepts rather than a confusing Acronym
This method builds on what students already know: 1. Do the most important things first - in life and in math. Repeaters cause Bigger Change - they are more important. (Bigger Change is easy to ill...
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