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SCale
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A scale is a ratio of size in a    map, model, plan or           drawing.                           Ratios are a way to   ...
2cm      2cm
4cm      4cm
4cm2cm      2cm                       4cm            Scale: 1cm = 2 cm               Ratio: 1: 2
4cm      4cm
12cm       12cm
12cm4cm      4cm                    12cm        Scale: 1cm = 3 cm               Ratio: 1: 3
15cm       10cm
3cm      2cm
15cm                           3cm                                     2cm       10cm              Scale: 5 cm = 1 cm     ...
Now it’s your turn!Use Keynote to scale some images.Here’s how:1. Open Keynote2. Create a shape.3. Use the Inspector to ma...
Using ratios in scale drawing
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Using ratios in scale drawing

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Using ratios in scale drawing

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  5. 5. A scale is a ratio of size in a map, model, plan or drawing. Ratios are a way to compare two numbers or quantities.
  6. 6. 2cm 2cm
  7. 7. 4cm 4cm
  8. 8. 4cm2cm 2cm 4cm Scale: 1cm = 2 cm Ratio: 1: 2
  9. 9. 4cm 4cm
  10. 10. 12cm 12cm
  11. 11. 12cm4cm 4cm 12cm Scale: 1cm = 3 cm Ratio: 1: 3
  12. 12. 15cm 10cm
  13. 13. 3cm 2cm
  14. 14. 15cm 3cm 2cm 10cm Scale: 5 cm = 1 cm Ratio: 5:1
  15. 15. Now it’s your turn!Use Keynote to scale some images.Here’s how:1. Open Keynote2. Create a shape.3. Use the Inspector to make sure the length andwidth is a whole number.4. Decide on a scale you want to use.5. Duplicate the shape.6. Use your scale to enlarge or reduce the shapeusing the Inspector.

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