Stretching and Shrinking

Stretching and Shrinking Online book

Investigation 1 - Enlarging and Reducing Shapes

1.1 Solving a Mystery : An Introduction to Similarity

1.2 Scaling Up and Down : Corresponding Sides and Angles

Investigation 2 - Similar Figures

2.1 Drawing Wumps : Making Similar Figures

2.2 Hats Off to the Wumps : Changing a Figure's Size and Location

2.3 Mouthing Off and Nosing Around : Scale Factors

Investigation 3 - Scaling Perimeter and Area

3.1 Rep-Tile Quadrilaterals : Forming Rep-Tiles With Similar Quadrilaterals

3.2 Rep-Tile Triangles : Forming Rep-Tiles With Similar Triangles

3.3 Designing Under Constraints : Scale Factors and Similar Shapes

3.4 Out of Reach : Finding Lengths With Similar Triangles

Investigation 4 - Similarity and Ratios

4.1 Ratios Within Similar Parallelograms

4.2 Ratios Within Similar Triangles

4.3 Finding Missing Parts : Using Similarity to Find Measurements

4.4 Using Shadows to Find Heights : Using Similar Triangles

Google Sites

Report abuse