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Lesson Plan
Curated OER

Basic Right Triangles

For Teachers 2nd - 4th
Elementary schoolers examine the attributes of triangles. In this triangle instructional activity, learners compare regular triangles and right triangles. They explore vertices and angles and investigate obtuse and acute angles. Pupils...
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Worksheet
Curated OER

Congruent Figures

For Students 4th
In this problem solving worksheet, 4th graders study 4 lines of shapes. Students determine which multiple choice shape on the right is congruent to the one on the left of the straight line.
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Lesson Plan
Curated OER

Word Problems: Geometry

For Teachers 5th - 8th
Students solve word problems by using basic geometry. For this geometry lesson, students use geometric formulas to find the perimeter, area, and volume of objects. Students complete a worksheet.
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Lesson Plan
Curated OER

Using 2 and 3 Dimensional Geometric Shapes

For Teachers Pre-K - K
Students explore geometry by participating in a shape identification activity. In this figure dimensions lesson, students identify the difference between 2 and 3 dimensional shapes by their vertices and faces. Students examine blocks in...
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Lesson Plan
Curated OER

3-D Figures Part 2

For Teachers 4th - 5th
Students work with three dimensional objects. For this geometry lesson, students examine models of spheres, cones, cubes, prisms, and pyramids, and identify them by their edges, vertices, and faces.
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Worksheet
Math Mammoth

Divide Polygons

For Students 3rd
In this geometry learning exercise, 3rd graders draw line segments into the shape and divide it into other shapes given. Then they divide the pentagon and hexagon in different shape parts using line segments. Students also write down...
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Worksheet
3
3
K12 Reader

Basic Geometry Terms

For Students 4th - 5th Standards
Set your pupils up to start on geometry by teaching them some introductory terminology. Pupils learn the terms by reading a short passage and looking at examples. They then respond to five questions related to the text.
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Unit Plan
Mathematics Vision Project

Geometric Figures

For Teachers 10th - 12th Standards
Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...
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Lesson Plan
Willow Tree

Area of Common Geometric Figures

For Students 8th - 11th Standards
Scholars can use area formulas, but can they apply what they know about area? The lesson challenges learners to think logically while practicing finding area of shapes such as rectangles, circles, parallelograms, triangles, and other...
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Lesson Plan
Curated OER

Algebraic Processes And Its Connection To Geometry

For Teachers 6th - 8th
Middle schoolers investigate the concept of polygons using a variety of activities. They explore the vocabulary of polygons by constructing a graphic organizer. Then students categorize the characteristics of several polygons and...
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Lesson Plan
Curated OER

Geometry Slideshow

For Teachers 6th
Sixth graders create slideshows of geometric terms. They use images taken with digital cameras or scanned from magazines.
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Lesson Plan
Curated OER

Tessellations: Geometry and Symmetry

For Teachers 9th - 12th
Students examine tesselllations and their geometric properties. They have a better knowledge of polygons, can identify types of symmetry in tessellations. Also students use visulization, spatial reasoning, and geometric modeling to...
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Lesson Plan
Curated OER

Quilt Geometry

For Teachers 7th
Seventh graders explore lines of symmetry, congruent polygons and patterns. They listen to "The Seasons Sewn," observe a PowerPoint presentation, and identify congruent polygons and visual patterns. Through an internet activity, 7th...
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Lesson Plan
Curated OER

Algebra/Geometry Institute: Area of Polygons

For Teachers 6th - 8th
Students find the area of polygons.  In this area of polygons lesson, students find the area of parallelograms, rectangles, squares, and other polygons.  They identify each given figure and determine the appropriate formula...
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Lesson Plan
Curated OER

Geometry in the Constellations: The ER-2

For Teachers 2nd - 4th
Students discuss reasons to record the location of stars. They view a picture of the night sky, and discuss constellations. Students complete a worksheet of the various shapes they see in the constellations.
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Lesson Plan
Curated OER

100 Patch Geometric Quilts

For Teachers 2nd - 4th
Students identify geometric patterns in quilts. In this geometry lesson, students view various types of quilts and identify the geometric shapes. Students construct one hundred patch paper quilts using geometric shapes.
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Lesson Plan
Curated OER

Circumscribed Polygons

For Teachers 9th - 10th
Students investigate polygons and construct ferris wheels. In this geometry lesson, students create a circle and differentiate properties of circles and polygons. They compare the relationship between angles and circumscribed polygons.
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Interactive
Curated OER

Geometry

For Students 2nd - 3rd
In this geometry/math learning exercise, learners name eight shapes by circling the name that best describes it. Students select the correct answer from 4 choices.
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Interactive
Curated OER

Geometry

For Students 9th - 10th
In this geometry worksheet, students identify the different shapes created by nets. They also identify the intersection of lines and planes. There are 5 questions with an answer key.
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Worksheet
Curated OER

Geometry: Congruent Figures

For Students 4th - 5th
In this congruent activity, students identify congruent figures in a given set of shapes. A reference website for additional resources is given.
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Worksheet
Curated OER

Countdown Challenge: Live Symmetry in Regular & Irregular Polygons

For Students 7th - 8th
In this symmetry worksheet, students identify lines of symmetry in given polygons. They discover the correlation between the number of sides and the number of lines of symmetry. Students determine the lines of symmetry in irregular...
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Worksheet
Curated OER

Countdown Challenge Symmetry

For Students 6th - 8th
In this symmetry worksheet, middle schoolers identify the lines of symmetry in given polygons. They match the number of lines of symmetry to the correct figure. This one-page worksheet contains seven problems.
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Lesson Plan
Bowland

Mission: Rainforest

For Teachers 6th - 9th
Young environmentally conscious mathematicians solve a variety of problems related to the central theme of uncovering illegal logging activities. They determine a base camp based on given constraints, investigate logging activities and...
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Lesson Plan
Curated OER

Surface Area with Polydrons

For Teachers 3rd - 4th
Students explore measurements by analyzing geometric shapes. In this surface area lesson, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons. Students utilize...