Similarity

5 online lessons · 1 in-person Review & Practice Day

Same shape, different size: how proportional reasoning connects triangles, maps, and scale models.

Lessons

• 7.1 Ratios, Proportions, and Scale ~15–30 min
• 7.2 Similar Polygons ~15–30 min
• 7.3 Proving Triangles Similar (AA, SSS~, SAS~) ~15–30 min
• 7.4 Proportionality Theorems (side-splitter, midsegment revisited) ~15–30 min
• 7.5 Dilations and Similarity Transformations ~15–30 min