Statistics Teacher Training Available

  • Schedule a personalized statistics professional development session via webinar on topics from grade 4 through AP statistics. Dynamic statistics software will be used.
  • Face-to-face workshops available in certain locations.
  • Summer 2018 - I will be teaching the graduate level PROBABILITY AND STATISTICS (MATH 623) course at Ball State University. For information on graduate level programs click here: mathematics education programs

Spring 2018 - I will be teaching GEOMETRY for pre-service teachers!

  • Check out my Logo-Math Wiki for Logo lessons and Scratch programs that focus on algebra and geometry topics.
  • Check out my SketchUp-Math Wiki for some great 2D and 3D models made by Kindergarten through calculus students.

  • Youtube channel “Kathryn Shafer” contains a few screencasts from my geometry, and probability and statistics courses. Need a new video - sending me a request at k12ActionMath (gmail).

Need help with ACTION RESEARCH?

  • I specialize in helping novice researchers develop a viable qualitative study. Contact information can be found on my Action Research Wordpress site.

Introducing CODAP

Common Online Data Analysis Program (CODAP) is a product of The Concord Consortium. Check out these example documents. Many of the features are similar to TinkerPlots and more tools are in development. The Getting Started information and the Forums are great resources, so check them out.

CODAP (Common Online Data Analysis Program) Announcement

CODAP has added a plugins feature to the tool bar. The sampler can be found in the plugins menu.

Winter 2017 - Featured Page

CODAP Mammals Residuals
The residual plot can be used to decide if the pattern is linear and to identify influential points.

*When working in a CODAP document, be sure to save the file locally to your computer or to a Google Drive folder. When sharing a document, be sure to obtain the link through the main menu (do not copy and paste the url from the browser bar).


TinkerPlots - Software for Dynamic Data Exploration home page
TinkerPlots is on Facebook

Hi. My name is Kathy Shafer and I have been teaching high school and college level mathematics since 1984.**
Favorite technologies include Fathom, Tinkerplots,CODAP, Geometer's Sketchpad, Geogebra, Terrapin Logo, Green Globs, Spreadsheets and SketchUp.