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A comment on Many elementary teachers don’t understand math, and it makes them anxious. Parent comment

Re:Many elementary teachers don’t understand math, and it ma... by nwah1 on Sunday December 01, 2019 @05:21AM (#21674810)
Probably is that New Math that Tom Lehrer warned us about.

https://www.youtube.com/watch?v=UIKGV2cTgqA

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