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Activity (Hands-On)Grades 7 - 9

Trig River

Materials List

Each group should have:

  • Trig River Worksheet (PDF)
  • protractor (or printed copy of the attached Paper Half Protractor (PDF))
  • 1 piece of string (6-inch long). Any long, very thin items could be substituted, such as spaghetti noodle, pipe cleaner, etc.
  • pencil
  • tape measure or meter stick (groups can share)