Enlargements and reductions with scale factors

Lessons

• Introduction
  a)

  What is a scale factor?
  
  

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• 1.
  Redraw the letters below using a scale factor of 2.
  a)

  
  
  
  
  
  b)

  
  
  
  
  

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• 2.
  Redraw the shape using a scale factor of $\frac{1}{4}$ .
  
  

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• 3.
  The ratio of the length to the width of a window is 3:2. If the window is 8 m wide, what are the dimensions of the window that has a scale factor of:
  
  
  a)

  0.5?
  
  
  b)

  2?
  
  
  c)

  3?
  
  

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