Lesson Plan
Curated OER

Slides, Flips. Turns......It's All On A Memory Book Page

For Teachers 4th
Fourth graders use tangram sets to investigate the congruence of shapes. They use congruent shapes to demonstrate the properties of slides, flips, and turns. They complete a math journal entry that describes and illustrates each concept.
Lesson Plan
Curated OER

Similar Triangles and Proportions

For Teachers 9th - 12th Standards
Pupils investigate similar triangles and proportions as they make conjectures about the length of sides of similar triangles. For this activity, have your class construct similar triangles using Cabri Jr so that they share a common vertex.
Lesson Plan
Curated OER

Angles, Triangles, Quadrilaterals, Circles and Related

For Teachers 6th - 8th
Middle schoolers classify angles. For this angles lesson, students explore the characteristics of angles, triangles, quadrilaterals and circles. They identify polygons and sing a classifying angles song. Middle schoolers participate...
Lesson Plan
Curated OER

Perimeter and Area of 2D Shapes

For Teachers 6th - 7th
Students find the perimeter and area of circles, triangles, and rectangles. In this perimeter and area lesson plan, the teacher gives students formulas for each shape and measurement and works through examples on the board. While no...
Lesson Plan
Curated OER

Polygons All Around Us!

For Teachers 9th - 12th
Students explore the concept of polygon properties. In this polygon properties lesson, students draw polygons with different numbers of sides such as pentagons, octagons, hexagons, etc. Students identify different geometric shapes in the...
Lesson Plan
Curated OER

N Equal Parts by Construction

For Teachers 6th - 8th
Young scholars experiment with straight edges and compasses to divide lengths into equal parts. They identify different fractions of the total length.
Lesson Plan
Curated OER

Pass It On

For Teachers 5th
Fifth graders participate in a class activity that helps them learn some geometric terms along with their definitions. They describe relationships between two and three-dimensional shapes and analyze attributes and properties of...
Lesson Plan
Curated OER

Meet the Polygon Family

For Teachers 4th
Fourth graders investigate regular polygons. In this regular polygon lesson, 4th graders explore the attributes of different polygons. Students work in groups to complete a KWL chart regarding polygons.
Lesson Plan
Curated OER

Eye From the Sky

For Teachers 4th - 8th
Students are introduced to the concept of aerial perspective and scale. Students will use satellite technology to view their neighborhoods and sketch the area surrounding their schools. They will take part in a neighborhood walk to view...
Lesson Plan
Curated OER

Slope Right Up

For Teachers 6th - 8th
Students use triangles to find the length and slope of each side. After connecting the vertices, they add points based on their specific instructions. They use the Pythagorean Theorem to complete a worksheet to end the lesson.
Lesson Plan
Curated OER

From Where to Where?

For Teachers 3rd - 4th
Learners find locations based upon their latitude and longitude coordinates. In this latitude and longitude lesson, students locate points on a grid and learn how to use an astrolabe.
Lesson Plan
Curated OER

Terrific Tessellations

For Teachers 4th - 6th
Students explore tessellations that are found in nature and everyday objects. They observe the works of M.C. Escher. Students create their own tessellations using pencil and paper.
Lesson Plan
Curated OER

Finding the Area of Triangles

For Teachers 12th
Twelfth graders apply the formula for finding the area of a triangle to various problems. They work real life problems for finding the area of a bathroom and the cost of tiling it. They play a game, Triangle Bingo, where they match...
Lesson Plan
Curated OER

Geometric Glossary

For Teachers 4th
Fourth graders use drawing and paint tools to identify, draw and state several geometric terms.
Graphic
Oswego City School District

Regents Exam Prep Center: Length of a Line Segment (Distance)

For Students 9th - 10th Standards
Use the coordinate plane and Pythagorean theorem to determine the length of a line segment. Click on the "Topic Index" to find a related practice exercise and teacher resource.
Unit Plan
Khan Academy

Khan Academy: Draw Rays, Lines, & Line Segments

For Students 3rd - 5th Standards
Draw rays, lines, and line segments with given points. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Cuemath

Cuemath: Line Segment

For Students 4th - 6th
In this lesson, you will learn about the various types of lines, line segments, rays, the line segment symbol, and line segment examples. Check out the interactive examples and try your hand at solving a few interesting practice...
Unit Plan
Texas Education Agency

Texas Gateway: Coordinate Geometry: Special Segments

For Students 9th - 10th Standards
The student will derive and use the slope and midpoint formulas to verify geometric relationship that include parallelism and perpendicularity of lines. Then, the student will determine an equation of a line parallel or perpendicular to...
Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lesson: Lines, Rays, Line Segments, & Planes

For Teachers 3rd - 8th Standards
This robust lesson plan for upper elementary and middle school grades introduces the concepts for lines, rays, line segments, and planes. Resources are linked to it and ready for your use.
Handout
Math Open Reference

Math Open Reference: Line Segment

For Students 9th - 10th Standards
Learn about line segments with this useful reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
eBook
Math Planet

Math Planet: Geometry: Measure Line Segments

For Students 9th - 10th Standards
Explores how to measure the length of a line segment through examples and a video lesson. [0:40]
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 10.6 Points That Partition Line Segments

For Students 9th - 10th Standards
Understand points that partition line segments.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 5.1 Copies of Line Segments and Angles

For Students 9th - 10th Standards
Construct a copy of a line segment in this interactive exercise.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 5.2 Bisectors of Line Segments and Angles

For Students 9th - 10th Standards
Learn how to construct bisectors of line segments and angles.