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K–10Mathematics K–10 Syllabus (2022)

Content

Stage 5

Properties of geometrical figures A
Identify and describe the properties of similar figures
  • Describe similar figures as having the same Loading  but not necessarily the same size

  • Verify and explain that in similar Loading , the Loading  are equal and the corresponding Loading  Loading  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 Loading  of similar polygons

Solve problems using ratio and scale factors in similar figures
  • Apply an appropriate scale to enlarge or reduce a diagram

  • Determine the scale factor for pairs of similar polygons and Loading 

  • 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

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