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Welcome to:. Zipline Mathematics Focusing on: STEM Algebra I Inquiry Modeling. Real-life Problem. Holly Mountain needs more revenue Money from skiing in winter is not enough. Board of Directors. They have approved the use of the slopes for zipline use in the summer. Problem – Part 1.

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  1. Welcome to: • Zipline Mathematics • Focusing on: • STEM • Algebra I • Inquiry • Modeling

  2. Real-life Problem • Holly Mountain needs more revenue • Money from skiing in winter is not enough

  3. Board of Directors • They have approved the use of the slopes for zipline use in the summer

  4. Problem – Part 1 • Insurance company says the usual zipline equipment not safe enough

  5. Problem Part 2 • You must create a zipline carrier that: • attaches to the existing zipline • travels within a certain range of speed • provides a smooth, consistent descent • is safe • is easily used

  6. Modeling • Since we are not at the resort: • Fishing line represents zipline • Ping-pong ball represents a person • Minimal speed is 20 inches per second • Maximum speed is 60 inches per second

  7. How can we calculate speed? • What formulas could be helpful?

  8. distance = rate x time

  9. Low Cost is Good

  10. Engineering Design Process • What is it?

  11. Engineering Design Process http://cromwellvalleyes.bcps.org/event_highlights/steam

  12. Engineering Design Process

  13. A successful design… • meets the design criteria. • Is NOT too expensive.

  14. Criteria Reminder • You must create a zipline carrier that: • attaches to the existing zipline. • travels at least 20 inches/second. • travels no faster than 60 inches/second. • provides a smooth, consistent descent. • does not allow harm to ping-pong ball. • is easily used.

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