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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
Illustrative Mathematics
6th grade (Illustrative Mathematics)
Unit 1: Area and surface area
Lesson 13: Polyhedra
Lesson 13: Polyhedra
Counting faces and edges of 3D shapes
Identify parts of 3D shapes
Recognizing common 3D shapes
Identify geometric solids (3D shapes)
Intro to nets of polyhedra
Nets of polyhedra