How early can they do it?

While delving into Geogebra I feel somewhat obligated to give Desmos its fair chance. I decided today to just plot a triangle with movable vertices.

I did achieve that goal, although I doubt I could get a 3rd grader to follow along, I suspect the third grader could do it in GeoGebra.

I am looking for advice as to a user-friendly means of labeling the vertices. Such labeling occurs automatically in GeoGebra.

 

GeoGebra or Desmos?

Here is my 3-leafed rose plot in Desmos. Below you will find the same plot in Geogebra. The GeoGebra version, to me, can be presented to students earlier in their math program.

Desmos vs GeoGebra?

Here is the best way I have discovered to plot a movable segment in Desmos. Take note that in order to create it I had to have prior knowledge of Cartesian coordinates and parameters. See below for more.

Here I have a version in GeoGebra where I have utilized the limitation of tools available to the student to just "plot a point" and "plot a segment". It is very simple. Make your own right here and now!


In my humble opinion, I could teach a lot of Geometry, starting with the simplest of notions, in GeoGebra, such that beginning students can "latch on" right away. This "latching on" would not be so quick in Desmos.

However, both pieces of software would be used in my classes!

Desmos calculator embedded in a blog!

Two posts in one day! What am I thinking!
Just read about something on the web anmd it tickled my brain regarding blogger and iframes,  so I said to myself "give it a try!".

Here is the page https://www.desmos.com/calculator embedded in the blog. It has shrunk, but all the parts are there.
A moral victory!!

Use the web wisely!

Readers of my blog know that I am a strong supporter of the use of dynamic GeoGebra in the classroom.  As we proceed through this new school year I will be continuing this campaign, but adding support for other online math options.  In order to gain my support, the material I propose must be:

1. accessible via the web without any special software installation.
2. capable of being embedded into blogs such as this one
3. interactive

My goal is to create libraries of "teachable items" for use by teachers, freeing them from the need to create their own items in order to focus on their students.

The graphic here appears inert, but clicking on it brings you to a page where you can experiment, modify, play around,.... learn.

Enjoy