1 of 10

Getting Triggy With It

Hands-on Trigonometry

@Fouss

https://goo.gl/RQ7tGi

2 of 10

https://goo.gl/RQ7tGi

3 of 10

Radians and the Unit Circle

Activity

Purpose

Supplies Needed

Smartie Arcs

Definition of a radian

Smarties, paper circles

Measuring Triangles

Value of a radian

Triangles, radian protractors

Patty paper unit circles

“Build” unit circle (use triangles for ordered pairs)

Patty paper, paper with 3 circles

Triangle Rotations

“Build” unit circle (this one’s a keeper)

Circles, triangles (both card stock), brads

Trig Wheel

Practice with degrees/radians/ordered pairs

2 circles (on different color card stock), brads optional

https://goo.gl/RQ7tGi

4 of 10

Radians and the Unit Circle

Other radian stuff …

  • Finger trick for memorization
  • Stations -
    • Reference angles
    • Quadrants
    • Find exact trig values
    • Find angle values
    • Label unit circle

https://goo.gl/RQ7tGi

    • Dice game
    • Dot-to-dot
    • War
    • Row Game

5 of 10

Graphing

Activity

Purpose

Supplies

Spaghetti graphing

Produce a sine/cosine curve

Graphs, spaghetti

Match an equation to an image

Temperature Graph

Match an equation to a set of data

Graph paper, set of temperature data

Match an equation to a situation

packet

Create a sine curve based on data

packet

6 of 10

Graphing

7 of 10

A definition of trigonometry in less than 140 characters

https://goo.gl/RQ7tGi

8 of 10

https://goo.gl/RQ7tGi

9 of 10

Want some other ideas from the #MTBoS?

https://goo.gl/RQ7tGi

10 of 10

Other ideas:

Duck Duck Radians (sit 16 in circle, name angles as you go; mess up and you’re running!)