In this Euclidean proof instructional activity, students observe models and read given proofs. Students determine conclusions based upon the given information. This one-page instructional activity contains ten Euclidean proof problems.

In this Euclidean proofs learning exercise, 10th graders solve 10 different problems that include completing indirect Euclidean proofs. First, they write a statement for each of the reasons listed on the sheet of proofs. Then, students...

In this indirect Euclidean proof worksheet, students write statements supporting the reasons for a given proof. This one-page worksheet contains ten problems.

In this geometry instructional activity, 10th graders focus on Euclidean proofs involving triangles and circles.  The eight page instructional activity contains eight proofs.  Solutions are not provided.