Sign in
Mrs. Danica E. Shanahan
Resources
Follow
Mrs. Danica E. Shanahan
Contributor
0
Followers
High School Teacher. Mathematics. Architect.
Relevance
Title
Modified
Created
Books
Activities
Favorites
Books
Activities
Favorites
Vertical Angles Exploration (2)
Tim Brzezinski
Share
View Activity
Open in App
Open in App
Details
Download
Vertical Angles Exploration (1)
Tim Brzezinski
Share
View Activity
Open in App
Open in App
Details
Download
Triangle Exterior Angle
Tim Brzezinski
Share
View Activity
Open in App
Open in App
Details
Download
Parallel or Not?
Tim Brzezinski
Share
View Activity
Details
Download
Collinear Meaning
Tim Brzezinski
Share
View Activity
Open in App
Open in App
Details
Download
Geometry Resources
Tim Brzezinski
Share
View Activity
Details
Download
HL: Hypotenuse-Leg Action!
Tim Brzezinski
Share
View Activity
Open in App
Open in App
Details
Download
Exploring Points, Lines, and Planes (V1)
Tim Brzezinski
Share
View Activity
Open in App
Open in App
Details
Download
Parallelogram Area
Guillermo Bautista
Share
View Activity
Open in App
Open in App
Details
Download
Exploring Dilations: Ex. 19
Tim Brzezinski
Share
View Activity
Open in App
Open in App
Details
Download
Rotating Around Points: Ex. 17
Tim Brzezinski
Share
View Activity
Open in App
Open in App
Details
Download
Area of a Rhombus
Mrs. Danica E. Shanahan
Share
View Activity
Open in App
Open in App
Details
Download
Show More…
Featured Resources
More
Show Less
Equivalent Ratios
Duane Habecker
Share
View Activity
Details
Download
Convex quadrilaterals
Paulo Correia
Share
View Activity
Details
Download
Gauss-Jordan 2x2 Elimination
Auston B Cron
Share
View Activity
Details
Download
Angle Estimation Warmup
Andrew Knauft
Share
View Activity
Details
Download
Number Pyramids
Jennifer Silverman
Share
View Activity
Details
Download
Flip Flop
John Golden
Share
View Activity
Details
Download
Guess My Rule (2013)
John Golden
Share
View Activity
Details
Download
5-Piece Puzzle
Duane Habecker
Share
View Activity
Details
Download
GeoGebra Pentominoes
Duane Habecker
Share
View Activity
Details
Download
right triangle paradox
sonom
Share
View Activity
Details
Download
SSA triangle: The Ambiguous Case
talljerome
Share
View Activity
Details
Download
AQR Section 17: Mean but Sensitive
Steve Phelps
Share
View Activity
Details
Download
AQR Section 17: Where's the Mean?
Steve Phelps
Share
View Activity
Details
Download
Secant Slope Calculator
Jake Binnema
Share
View Activity
Details
Download
Exponential or Logistic Function that…
talljerome
Share
View Activity
Details
Download
Growth of Facebook.com
Roy Wright
Share
View Activity
Details
Download
Lower and Upper Sum of a Function
GeoGebra Materials Team
Share
View Activity
Details
Download
One-Son Policy Simulation
Steve Phelps
Share
View Activity
Details
Download
Analog Clock
Duane Habecker
Share
View Activity
Details
Download
Pendulum Wave Machine (Simulation)
Michael Borcherds
Share
View Activity
Details
Download
Hilbert curve
Thijs
Share
View Activity
Details
Download
'Tangram' Puzzle 'Cat'
GeoGebra Translation Team German
Share
View Activity
Details
Download
Spirograph-Epitrochoid Earth and Moon
Bill Lombard
Share
View Activity
Details
Download
Inclined Plane with Two Masses and a …
Tom Walsh
Share
View Activity
Details
Download
The Relationship Between Human Height…
Roy Wright
Share
View Activity
Details
Download
Factorization - Visual illustration o…
Ethan Hall
Share
View Activity
Details
Download
Kaleidoscope
Michael Borcherds
Share
View Activity
Details
Download
Rotating a Triangle Around a Coordina…
Steve Phelps
Share
View Activity
Details
Download
Area of a Circle - Wedge/Sector Demon…
Linda Fahlberg-Stojanovska
Share
View Activity
Details
Download
Triangle Paradox (Missing square puzzle)
Michael Borcherds
Share
View Activity
Details
Download
Show Less
Saving…
All changes saved
Error
A timeout occurred. Trying to re-save …
Sorry, but the server is not responding. Please wait a few minutes and then try to save again.
Terms of Service
Privacy
License
© 2025 International GeoGebra Institute
