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Problem Solving with addition
by Admin User - Friday, February 23, 2018, 5:37 PM

This was created by John Ulbright (Twitter: @julbright). Have fun solving it.

 Arrange the digits to create a sum of 100.

(A GeoGebra version of this Open Middle task)


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Quizzes are coming back!
by Admin User - Saturday, January 6, 2018, 4:54 PM't you all worry! Those topic quizzes are coming back! We will be posting them as they are updated.

So far, we have uploaded new quizzes for... 

  • Grade 5: Module 3, Module 4
  • Grade 4: Module 3, Module 4 Module 5
  • Grade 3: Module 3, Module 4, Module 5
  • Grade 2: Module 3, Module 4, Module 5
  • Grade 1: Module 3, Module 4
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Updated collection of virtual manipulatives
by Admin User - Tuesday, November 21, 2017, 1:34 PM

GeoGebra is a pretty wonderful tool that we've used to create several virtual manipulatives. Nothing beats the real thing, but sometimes virtual manipulatives are exactly what you need at the moment.

virtual manipulatives