1 / 13

GBK Geometry Week 1, Day 2

GBK Geometry Week 1, Day 2. Jordan Johnson. Today’s plan. Greeting Rules Wrap-up Euclid and Constructions Lab: GeoGebra Lab: Set up Khan Academy accounts Clean-up. Homework / Supplies Check. Take out: 3 colors of pen/pencil Paper Notebook/binder Compass Ruler Protractor

diza
Download Presentation

GBK Geometry Week 1, Day 2

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. GBK GeometryWeek 1, Day 2 Jordan Johnson

  2. Today’s plan • Greeting • Rules Wrap-up • Euclid and Constructions • Lab: GeoGebra • Lab: Set up Khan Academy accounts • Clean-up

  3. Homework / Supplies Check • Take out: • 3 colors of pen/pencil • Paper • Notebook/binder • Compass • Ruler • Protractor • Have them ready for me to check while you work.

  4. Rules (~2 min) • Read the list • Identify sentences that are saying the same thing • Decide which is better, or if you would phrase it differently • Cross out rules you don’t want to keep

  5. Rules – Groups (~2 min) • Discuss your choices • Mark or circle rules you want to keep as-is • Write new versions of any that need changing

  6. Euclid & Alexandria

  7. Euclid’s Elements

  8. Constructions &Equilateral triangles • Equilateral triangle: one whose sides are all of equal length (and angles are all of equal size) • Task: • Draw a line segment of length 12cm using your ruler; label its ends A and B. • Set your compass to the length of the segment, and draw an arc centered at A, then another arc centered at B. • Label the intersection point C. Bonus: If that wasreally easy, try a regularhexagon (i.e., one whosesides are all equal).

  9. Constructions &Equilateral Triangles • This was a construction: a figure designed to satisfy given conditions. • This diagram’s condition: all sides are of equal length. • “Construct” usually means using a compass and a straightedge.

  10. Lab • Construction in GeoGebra • Khan Academy •  “Log In” •  “Log in to Khan Academy with Google” • Use your Kirby student email address to log in

  11. HomeworkDue before class Thu/Fri by email • Go to the class websitehttp://jjohnson.kirby.org/ • Click “Geometry” and do “Assignment 0”.

  12. Clean-up / Reminders • Pick up all trash / items. • Push in chairs (at front and back tables). • See you tomorrow!

More Related