HSA Prep- Scale Factor M-1
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The document discusses scale factors and dilation in geometry. It provides examples of scale factors used to enlarge or reduce objects and defines a scale factor as a number used to multiply the dimensions of an original figure. The activity asks students to choose objects, write scale factors on cards, and use those factors to enlarge or reduce drawings of the objects on a worksheet.
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The document discusses scale factors and dilation in geometry. It provides examples of scale factors used to enlarge or reduce objects and defines a scale factor as a number used to multiply dimensions. Examples are given of different scale factors being applied to lengths to demonstrate enlargement and reduction.
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HSA Prep- Scale Factor M-1
- 1. Scale Factor & Dilation
- 5. Enlargement multiply by a # greater than 1
- 6. Worlds Largest Gummy Bears BOB- Big Ol Bear 5 pounds 27 pounds $30 $150
- 7. Enlargement Scale factor: 12 1.5 cm 3 cm
- 8. 1.5 cm Scale 3 cm 1 Factor: 9 2 1.5 cm Scale 3 cm Factor: 3.3 1.5 cm Scale 3 cm Factor: 1.4
- 9. Reduction Multiply by a # less than 1
- 10. Scale Factor: 0.75 8 inches 5 inches
- 11. 5 inches 8 inches Scale Factor: 0.25 5 inches 1 8 inches Scale Factor: 5 5 inches 8 inches Scale 1 Factor: 3
- 12. Activity: 1) choose an object and place it on table 2) write your scale factor on index card enlargement: 1.1-100 deduction: 0.0-0.99 3) place card next to object 4) using worksheet, find at least 5 enlargements & 5 deductions