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Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
Using ratios in scale drawing
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Using ratios in scale drawing

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  • Transcript

    • 1. SCale
    • 2. SCale SCale
    • 3. SCale SCale SCale
    • 4. SCale SCale SCale
    • 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. 2cm 2cm
    • 7. 4cm 4cm
    • 8. 4cm2cm 2cm 4cm Scale: 1cm = 2 cm Ratio: 1: 2
    • 9. 4cm 4cm
    • 10. 12cm 12cm
    • 11. 12cm4cm 4cm 12cm Scale: 1cm = 3 cm Ratio: 1: 3
    • 12. 15cm 10cm
    • 13. 3cm 2cm
    • 14. 15cm 3cm 2cm 10cm Scale: 5 cm = 1 cm Ratio: 5:1
    • 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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