measurementandspace core

📖 Prior Knowledge

ContentPrerequisite relationships
Ratios and Rates- Simplify ratios → Describe properties of similar figures
Properties of Geometrical Figures- Apply the angle sum of a triangle → Describe properties of similar figures

Identify and describe the properties of similar figures.pdf

  • Describe similar figures as having the same shape but not necessarily the same size
  • Verify and explain that in similar polygons, the corresponding angles are equal and the corresponding side lengths are in the same proportion
  • Name the vertices in matching order when using the similar symbol (~) in a similarity statement
  • Match the corresponding sides and angles of similar polygons

Solve problems using ratio and scale factors in similar figures.pdf

  • Apply an appropriate scale to enlarge or reduce a diagram
  • Determine the scale factor for pairs of similar polygons and circles
  • Apply knowledge of scale factor to find unknown sides in similar polygons
  • Solve problems involving unknown lengths and scale factors of similar figures and related practical problems
  • Solve problems involving scale drawings, with or without digital tools