Scale/Ratio/Proportions

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Real and model dinosaur skeletons Real and model dinosaur skeletons Real and model dinosaur skeletons Added by Kadie Armstrong on Feb 6, 2008 An interactive animation demonstrating a scaled model version of a dinosaur skeleton.
Similar Right Triangles - Wolfram Demonstrations Project
Enlargement in Two Dimensions - Wolfram Demonstrations Project
Enlarging by a scale factor Enlarging by a scale factor Enlarging by a scale factor Added by Kadie Armstrong on Feb 6, 2008 An interactive animation illustrating the process of enlargement by an arbitrary scale factor k. Click the numbered buttons to view the steps required to enlarge the triangle. This resource is from the unit What is Enlargement which is part of Absorb Mathematics. Free maths games
Scaling and area Added by Kadie Armstrong on Feb 6, 2008 An interactive animation showing the relationship between enlargement and area. Scaling and area Scaling and area
Enlarging a square Enlarging a square Added by Kadie Armstrong on Feb 6, 2008 An interactive animation showing the effect of enlarging a square has on the square's area. Enlarging a square
Scaling by a factor of 3 Scaling by a factor of 3 Added by Kadie Armstrong on Feb 6, 2008 An interactive animation showing the effect of enlarging a square has on the square's area. The square is scaled by a factor of three and the larger square shown to have nine times the area. Click the numbered buttons to reveal the steps. This resource is from the unit Enlargement - area which is part of Absorb Mathematics. Scaling by a factor of 3
Proportional Quantities - Wolfram Demonstrations Project
How Tall Is That Building? - Wolfram Demonstrations Project