Description:
This topic teaches use of the distributive property.
Example, 3(x+5)=3x+15.
Adaptive Learning Progression: First you distribute, then later you factor. 
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Sample Levels (out of 5)
Distribute. Example: 2(x+1) = 2x+2
 
Factor out the greatest common factor. Example: 3x + 6 => 3(x+2)
