@DeRaf_Math

High School Math Specialist

Joined August 2013
  • Tweets26
  • Following43
  • Followers15
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Erin DeRafelo retweeted
Amy McGrath
@AmyMcGrathKY17 Mar 2020
At the end of the first day of my kids being out of school after our attempts at “homeschooling”... my conclusion... teachers are superheroes. The end.
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Kids doing some coding with Ms. DeRafelo and Ms. Robertson! Thanks for being #innovative! ⁦@WestChesterASD⁩ ⁦@TammiL38⁩ ⁦@bobsox68⁩ ⁦@principalfagan⁩ ⁦@sgraham24⁩ ⁦@sbrowndubc⁩
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Teachers are #Flipping for #ProfessionalDevelopment with @edpuzzle
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Erin DeRafelo retweeted
Ian Kerr@IanKerr_math6 Nov 2018
Replying to @kbarnelloPA @edpuzzle @WestChesterASD
@DeRaf_Math locking it down!
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Erin DeRafelo retweeted
Algebra Etc.@AlgebraFact26 Aug 2013
A 60 degree angle cannot be trisected by ruler and compass constructions.
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