HSF-TF.A.1

Understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle.

 
52 Lesson(s)
   

Radians Day 1 of 2

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

The stars in the sky are not necessarily the best way to measure angles, this lesson explains why.

 
Favorites (5)
 
Resources (38)
 
Reflections (4)
radians
   

Radian Stations - A Rotating Review

Algebra II » Unit: Trig Tidbits
Algebra II » Unit: Trig Tidbits
Jarod Hammel
Huntington, IN
Environment: Suburban
 
Big Idea:

Radian rotation-style review of radians and radian measurement.

 
Favorites (3)
 
Resources (8)
image
   

Introduction to the Ferris Wheel Problem

12th Grade Math » Unit: Ferris Wheels
12th Grade Math » Unit: Ferris Wheels
Hilary Yamtich
Oakland, CA
Environment: Urban
 
Big Idea:

You are riding a Ferris wheel near the Golden Gate Bridge. When will you be high enough to see the full view? Students attempt to answer this question using some knowledge of right triangles.

 
Favorites (7)
 
Resources (9)
screenshot 2014 04 27 21 54 40
   

The Trigonometric Functions

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Jacob Nazeck
Fort Collins, CO
Environment: Suburban
 
Big Idea:

The unit circle allows us to extend the trigonometric functions beyond the confines of a right triangle.

 
Favorites (6)
 
Resources (18)
 
Reflections (1)
ac generator resized
   

Ferris Wheel (Graph) Symmetries

12th Grade Math » Unit: Ferris Wheels
12th Grade Math » Unit: Ferris Wheels
Hilary Yamtich
Oakland, CA
Environment: Urban
 
Big Idea:

You are sitting on a Ferris wheel. Who is directly across from you? Below you? Diagonally across from you? Use a representation of the unit circle to make generalizations.

 
Favorites (3)
 
Resources (11)
screenshot 2014 04 27 21 54 28
   

Introducing: Radians!

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Jacob Nazeck
Fort Collins, CO
Environment: Suburban
 
Big Idea:

Why should we divide the circle into 360 parts? Isn't there a more natural unit? Yes - the radius!

 
Favorites (5)
 
Resources (13)
 
Reflections (1)
radian resized
   

Trigonometric Ratios of General Angles

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

It doesn't matter how many times you turn around or how dizzy you get, you can still find a trig ratio.

Standards:
 
Favorites (2)
 
Resources (34)
 
Reflections (1)
image trigonometric ratios of general
   

Trig with Zip!

Algebra II » Unit: Intro to Trig
Algebra II » Unit: Intro to Trig
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

How do I even start this problem?! Give your students tools to help make sense of and work with trig problems.

 
Favorites (5)
 
Resources (10)
zipline2
   

Radical Radians

Algebra II » Unit: Intro to Trig
Algebra II » Unit: Intro to Trig
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

Radians are radical! Use them to make working with trig ratios easier.

 
Favorites (2)
 
Resources (14)
radian clock
   

Trigonometric Functions Review Day 1

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

This lesson will train students HOW to study mathematics as well as help them review.

 
Resources (19)
image trigonometric functions review
   
Algebra II » Unit: Intro to Trig
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

What about all the non-right triangles? Expand on the trig functions using the unit circle.

 
Resources (13)
angles
   

Trigonometric Functions Review Day 2

Algebra II » Unit: Trigonometric Functions
Algebra II » Unit: Trigonometric Functions
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

This lesson will train students HOW to study mathematics as well as help them review.

 
Resources (14)
image trigonometric functions review
   

Riding a Ferris Wheel - Day 2 of 2

12th Grade Math » Unit: Trigonometric Functions
12th Grade Math » Unit: Trigonometric Functions
Tim  Marley
Troy, MI
Environment: Suburban
 
Big Idea:

Make the transition from the Ferris wheel problem to the unit circle.

 
Favorites (3)
 
Resources (10)
 
Reflections (1)
untitled
   

The Pythagorean Identity

Algebra II » Unit: Trig Tidbits
Algebra II » Unit: Trig Tidbits
Jarod Hammel
Huntington, IN
Environment: Suburban
 
Big Idea:

Making connections between the Pythagorean Theorem and The Pythagorean Identity.

 
Favorites (2)
 
Resources (14)
 
Reflections (1)
pythagorean identity
Common Core Math
 
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