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Lesson Plan
Curated OER

Exploring Chords: Products of Chord Segments

For Teachers 7th - 10th
Students identify the properties of chords. In this geometry lesson, students multiply chord segments to find the solution to their problem. They construct two chords that cross on  a circles.
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Lesson Plan
Curated OER

Dream Bedroom Floor Plan

For Teachers 9th - 10th
Students construct using Cabri software. In this geometry lesson, students convert between units and apply the correct measurements to build objects. They create the room virtually and manipulate the shapes to the desired measurements.
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Worksheet
Curated OER

Parabolas

For Students 10th
In this parabolas activity, 10th graders solve and draw 10 different problems with figures related to various parabolas. First, they determine the vertex, focus, and the directrix in each equation. Then, students draw the parabola on a...
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Lesson Plan
Curated OER

Ship Shape

For Teachers 2nd
Second graders explore shapes and create a Silly Shape book. Students recognize that shapes have certain properties and be able to define them. Example, a triangle is any three-sided shape. Students' job is to make a picture on...
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Lesson Plan
Curated OER

Area Of Sectors

For Teachers 9th - 12th
Student find the area of a sector of a circle. In this geometry lesson, students  define the sector of a circle using a sketch. They find and identify examples of sector in the real world.
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Lesson Plan
Curated OER

Approximating Pi

For Teachers 7th - 10th
Learners approximate Pi using the lower and upper bound for the constant. In this algebra lesson, students work in groups of two to graph a circle and approximate Pi using the circumference. They repeat their estimation until they come...
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Lesson Plan
Curated OER

Are you in Golden Shape

For Teachers 7th - 10th
Students solve and verify the solution for unknown measures. In this geometry lesson, students identify the properties of circles. They use the arc, angle and segment relationship to find the missing measures.
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Lesson Plan
Curated OER

Geometric Shape Dances

For Teachers K - 4th
Students use movement and dance in order to strengthen mathematical understanding of different geometric shapes. The movements are imitating the drawing of shapes and they pick one to make into a dance. Upon beginning the dance music can...
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Lesson Plan
Curated OER

Shapes Around Us

For Teachers 1st - 2nd
Students create posters about geometric shapes in order to demonstrate their understanding of the different shapes. Students look for pictures in magazines to represent two-dimensional shapes, paste them on a poster, label the shape,...
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Lesson Plan
Curated OER

Play Dough Day

For Teachers 12th
Twelfth graders build a model of the following figures with the base from column I and the cross-section from column II. Draw the base with labeled axes on the graph paper and construct the figure on top of the base with the play dough...
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Worksheet
Curated OER

Seven Sets of Area Problems

For Students 10th - 11th
In this area worksheet, students solve for the area of rectangles, parallelograms, triangles, trapezoids, kites, regular polygons, circles, and surface area.  The worksheets is divided into seven different sets of problems.
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Lesson Plan
Curated OER

Sketching Cones

For Teachers 9th - 12th
Students sketch cones and identify its properties. In this geometry lesson, students calculate the surface area and volume of each three dimensional shape. they define and sketch prisms, pyramids and cylinders.
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Lesson Plan
Curated OER

Ship Shape

For Teachers 2nd
Second graders explore shapes. After reading books about shapes, 2nd graders describe the properties of various shapes. They identify shapes if they have been rotated, flipped, or slid. Students create shapes using drawings and geoboards.
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Lesson Plan
Curated OER

Skittles, Taste the Rainbow

For Teachers 5th
Fifth graders learn and then demonstrate their knowledge of a bar and a circle graph using the classroom data. Students are given a pack of skittles candy. Students create a bar and circle graph indicating the results of the contents of...
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Lesson Plan
Curated OER

It's a 3-D World Out There!

For Teachers 2nd - 4th
Young scholars construct polygons. They identify attributes of three-dimensional shapes. Students name common three-dimensional shapes. They draw three-dimensional shapes, and sort three-dimensional shapes. Young scholars use K'NEX...
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Lesson Plan
Curated OER

Topology and Geomery

For Teachers 6th - 9th
Students relate topology to polygons. In this geometry lesson, students make the connection between different shapes and topologically equivalent relationships. They use Mobius strips to create and move shapes around.
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Worksheet
Curated OER

Slides, Flips, and Turns

For Students 2nd
In this geometry worksheet, 2nd graders review how to determine which piece would complete the geometric shape that is pictured. They circle whether it was a flip or a slide to move the piece into position. They draw or write to explain...
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Lesson Plan
Curated OER

Let's Explore the World of Triangles and Quadrilaterals!

For Teachers 2nd
Second graders explore the features of triangles and quadrilaterals. In this lesson on triangles and quadrilaterals, 2nd graders rotate with their group to five different activities all exploring a different aspect of geometry.
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Lesson Plan
Curated OER

Measurement

For Teachers 5th
Fifth graders measure specified distances when given perpendicular lines. In this measurement lesson plan, 5th graders draw the lines themselves.
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Lesson Plan
Curated OER

Measurement

For Teachers 7th
Seventh graders measure surface area. In this geometry lesson, 7th graders find the surface area of various geometrical shapes. Using a computer program, students compute the area of 2-D and 3-D shapes.  Students use graph paper to trace...
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Lesson Plan
Curated OER

Fractions, Decimals, and Percents

For Teachers 6th - 7th
Students connect different mathematical concepts. They create a circle graph. Students then create a question in which they collect data in order to convert fractions to decimals and decimals to percents.
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Worksheet
Curated OER

Polygons and Vertices

For Students 9th - 12th
In this geometry worksheet, learners analyze different polygons and relate it to a circuit board. They find the odd degree Euler circuit and identify the vertices of the odd degree. There are 3 questions with an answer key.
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Lesson Plan
Curated OER

Symmetry

For Teachers 9th - 11th
Students identify the different symmetry in polygons. In this geometry lesson, students identify line, rotational and point symmetry in different objects. They find the symmetry with 90% accuracy.
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Worksheet
Curated OER

Match the Shapes

For Students Pre-K - K
In this geometry activity, students match shapes that look alike or are the same. Students are given five sets of two shapes each where they are to draw a line from one shape to the corresponding shape that matches it.