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Algebra (9-11th grades)
Toothpick Patterns
worksheet
Collection of Patterns
slides/worksheet
Visual Patterns
website
Annenberg Learner
website
YouCubed
website
CK-12
website









Geometry
Cootie Catcher: Area of Polygons
student sheets & lesson plan
CK-12
website

















Socially Based Math (General)
TakingITGlobal for Educators (TIGed)
website



















Elementary
Annenberg Learner
website
CK-12
website