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PEMDAS

1. What does PEMDAS stand for?

http://www.flocabulary.com/pemdas/

 

2. PEMDAS song with examples in the middle of the song

 

 

3. PEMDAS STYLE, the way learning should be

 

 

4. PRIMARY KRIPTO: combine five number cards using the four arithmetic operations (+, –, ×, ÷) to arrive at a «target» number

http://illuminations.nctm.org/Activity.aspx?id=3569

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