english
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Layers in GeoGebra
When you create objects that overlap in Graphics window, then the newest will be on top. In this article I will show how to change the order of the objects. Revathy, my Fulbright sister asked me to translate this article from Finnish. So I had to do it. Create two triangles and change the colors… Continue reading
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How many points, segments, triangles and quadrilaterals?
A couple of weeks ago I saw a simple problem in Facebook or Twitter. It was about how many triangles there are were in a picture. I started solving the problem with pen and pencil. I think the original problem looked like this. The question was how many triangles you see in the picture. I… Continue reading
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IGCI 2021 talk on Using GeoGebra for Statistic
I am really honored to be invited to this conference. It is always very inspirational to work with teachers from different countries. I think we teachers around the world are very same kind of people. We love our subject, we love the kids, students and we want to help them to get a better life.… Continue reading
