Khan Academy
Khan Academy: Subdivision
In this 7-problem quiz/practice. students will understand how the subdivision algorithm works.
Khan Academy
Khan Academy: Build Your Own Shape
Students build their own shapes; they will smooth the shape by increasing the number of subdivisions.
Khan Academy
Khan Academy: Subdivision in 3 D
In this seven-problem quiz/practice, students understand how subdivision works with an object in three dimensions.
Khan Academy
Khan Academy: Bonus: Equations for Points in Subdivision
Points on the control arm: Let's start with a shape with four control points, AAAA, BBBB, CCCC and DDDD, then use subdivision with weights (1,1)(1, 1)(1,1)left parenthesis, 1, comma, 1, right parenthesis.