Introduction to scale factor
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Introduction to scale factor. Multiplicative relationships. 2. 12. 24. 4. 12. 48. 12. 1. 12. 1. 12. 6. 2. 1. 12. 3. 4. Scale factors. 20. 5. 100. 1. 24. 6. 4. 3.2. 1. 3.2. 11. 8. 88. 1. 88. 11. 8. Scaling. 12.5. 1. 12.5. 1.
Introduction to scale factor
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Presentation Transcript
Multiplicative relationships 2 12 24 4 12 48 12 1 12 1 12 6 2 1 12 3 4
Scale factors 20 5 100 1 24 6 4 3.2 1 3.2 11 8 88 1 88 11 8
Scaling 12.5 1 12.5 1 12.5 1 12.5 1 3.2 3.2 1 or 0.05 20 1 20 1 11 1 11
Unitary method 4 9 1 4 1 9 9 4 9 4
Number lines 9 4 9 1 4 4 1 9
Unitary method 15 7 1 15 1 7 7 15 7 15
Number lines 7 15 1 15 7 1 15 7
Inverse Relationships 3.6 1.2 3 1.2 3 3.6 8 8 5 5 8 5 8 5 1 100 25 4 1 100 25 4 4 4 9 9 4 9 4 9
Kilometres and miles 8 5 1 8 1 5 5 8 5 8 5 25 miles 40 km 8 32 km 5 20 miles 8