## Lessons & GeoGebra applets

I use GeoGebra; it is free, user-friendly, and continually expanding to represent a comprehensive resource for me and my students. My favorite activities and applets appear here as well as on my GeoGebra page.

Yes

Animations page

### Algebra Activities

#### On GeoGebraTube?

Linear equations smartboard activity Yes
3 Rounds of Linear Equations Questions Yes
'Destroy' game for linear functions Yes
Exploring forms for quadratic equations Yes
Lesson on systems of linear equations
Intro lesson/activity for parabolas

### Geometry Activities

#### On GeoGebraTube?

Intro to a lesson on parallelograms
Dipstick
Proposals one and two to extend regular polygons to star polygons. Yes

### Trigonometry Activities

#### On GeoGebraTube?

Sines and cosines
Generating Sine, Take 2 Yes
History of Tuning
An equation of Euler Yes
Transformations of trigonometric functionsYes

### Probability or Combinatorics Activities

#### On GeoGebraTube?

Sums of cubes of digits
Knockout primes and this sequence!
Lazy Caterer's Sequence
Is it a triangular number? Yes
Galton's Quincunx
Probability distribution of diceYes
Very prime circles"Yes"

### Statistics Activities

#### On GeoGebraTube?

Baseball Standings
Boxplot game
Mammogram Math
How many tanks? Yes
Binomal approximationYes
Chi-squared distribution
How my students discovered least-squares
'Game' from 'discovering least-squares' Yes

### Calculus or Analysis Activities

#### On GeoGebraTube?

Intro to secant line method
Construct the Cantor sequence and function
Image of the unit circle

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