Free Classify Triangles Worksheets
With this worksheet generator, you can make worksheets for classifying triangles by their sides, angles, or both. This is one of the focus areas of 5th grade geometry, according to the Common Core Standards.
You can control the number of problems, workspace, border around the problems, image size, and additional instructions. Otherwise, it is pretty simple.
Here are some quick links for ready worksheets. Refresh the worksheet page to get another of the same kind.
Classify triangles by their sides
Classify triangles by their angles
Classify triangles by their sides and angles
Classify Triangles Worksheet Generator 
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Key to Geometry Workbooks
Here is a nonintimidating way to prepare students for formal geometry. Key to Geometry workbooks introduce students to a wide range of geometric discoveries as they do stepbystep constructions. Using only a pencil, compass, and straightedge, students begin by drawing lines, bisecting angles, and reproducing segments. Later they do sophisticated constructions involving over a dozen stepsand are prompted to form their own generalizations. When they finish, students will have been introduced to 134 geometric terms and will be ready to tackle formal proofs.