Day 24 in Mat115H

Today:

• Announcements:
  • Exams are returned:
    • Mean: 83
    • Standard Deviation: 12.2

    Do you have specific questions about any? A few comments:

    • Rooms and doors
      • Where did you start and end?
      • Could you start anywhere?
    • Tournaments
    • Compass and Straight-edge

  • Your project proposals returned. I'm missing a few....
    • Let's spend 10 minutes talking over project ideas with someone else. Then we'll talk about them.
    • They're coming up soon!

  • I'm collecting your "Knot" papers today.

  • Assignment for next time: Read Fit the Eighth

• Fit the Seventh
  • There are more puzzles featured here:
    • A Tangled Tale
      • Let's revisit that first knot, "Knot the first": Excelsior

      • There are nine knots.
        • Do you want to look at any of them? (We don't have to solve them).
        • Are there any that you recommend, particularly?
    • River-crossing problems
      • Three cannibals, three missionaries, and a canoe holding two people.
      • Alcuin of York, Charlemagne's mathematician -- three men, and their sisters; no sister feels safe crossing with any man other than her brother.
    • Finding the Day of the Week (p. 167)
      • Let's try it!
    • Arithmetical puzzles
      • 12345679
      • 1089