sybilla12 Works
Rose and Lavender Oil Varying Proportionally
Changing Quantities of Red and Blue Paint in a Fixed Ratio
How Many Ounces? – An Interactive Exploration of Unit Conversion and Geometry
Explanation of Line Equations Through the Origin
What relationship is it?
Geometric Similarity from a Variable-Parts Perspective by Sybilla Beckmann
How Quantities Relate
Rotating from Parallel to Perpendicular
A Variable-Parts Perspective on Trigonometry
Geometric Similarity from a Variable-Parts Perspective
Varying Quantities of Red and Blue Paint on a Line