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Worksheet
Curated OER

Identify Lines, Line Segments, and Rays

For Students 4th - 6th
Upper grade pupils identify diagrams, checking the appropriate box for each. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Points, Lines, Planes, and Space

For Teachers 9th - 12th
In this points, lines, planes, and space worksheet, young scholars solve word problems dealing with points, lines, planes, and space. Students complete 20 individual problems and 20 group problems.
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Lesson Plan
EngageNY

Tangent Segments

For Teachers 9th - 12th Standards
What's so special about tangents? Learners first explore how if a circle is tangent to both rays of an angle, then its center is on the angle bisector. They then complete a set of exercises designed to explore further properties and...
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Lesson Plan
Virginia Department of Education

Constructions

For Teachers 9th - 11th Standards
Pupils learn the steps for basic constructions using a straightedge, a compass, and a pencil. Pairs develop the skills to copy a segment and an angle, bisect a segment and an angle, and construct parallel and perpendicular lines.