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This self checking picture reveal is perfect for practicing writing parallel and perpendicular equations. If the student gets the correct answer then part of the picture will appear. If it is incorrect, the answer box will turn red and they will be given the opportunity to try again.
 
This resource is...
self-checking (answers turn green when correct and red when incorrect)
no prep (add to your google drive and assign when ready)
great for independent work, intervention, homework, and more
 
Includes:
-Worksheet
-Digital self checking activity
-Answer Key