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Measurement of a Central Angle
Students calculate the measurement of a central angle. In this geometry lesson, students identify properties of circles. They use Cabri software to create and analyze graphs.
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Investigating the Pythagorean Triples
Students investigate the Pythagorean triples. In this geometry activity, students solve for different parts of a right triangle. They identify the missing side or angle using the pythagorean theorem.
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Using Concept Maps to Design 3D Spheres
Pupils create three dimensional shapes using concept maps. For this geometry lesson, students investigate the impact of mental schemas on humans. They collect data on this topic and plot their data on a coordinate plane.
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Geometry
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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Reflections
Students investigate image and pre-image. In this geometry lesson, students identify the reflection and rotation of different shape on a coordinate plane. They identify similarities and differences of image and pre-image of a reflection.
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Houses
Third graders use a number of problem solving strategies in this unit of lessons. They determine how to draw and model three-dimensional objects, use co-ordinate systems, determine probability of events, and identify paths of simple...
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Geometry and Measurement
Learners view a right triangle displayed by the teacher. Students measure legs and the interior angles of the triangle. They look for a pattern or relationship between the legs and angles. Learners use pegboards and string to create more...
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Geometry Slideshow
Sixth graders create slideshows of geometric terms. They use images taken with digital cameras or scanned from magazines.
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Polygons and Diagonals
Students practice measuring the interior angles of given regular polygons and create a formula for finding the measure of th interior angles of any polygon. They determine the relationships between the number of vertices's or sides in a...
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Perimeter
Fifth graders create math word problems. For this geometry lesson, 5th graders define perimeter and discover how to find the perimeter of a rectangle, a square and a regular polygon. Students write word problems on finding the...
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Fitness
Fourth graders determine how to design regular and semi-regular tessellations of the plane. They develop the ability to demonstrate why a tessellation covers the plane in this series of lessons.
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Sort It Out and Match It Up
Students identify objects that are the same shape and size. They compare and contrast attributes of two-and three-dimensional objects using appropriate vocabulary. Pupils justify an extension of a geometric pattern to explain what was...
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Tri this Angle!
First graders draw and describe various types of polygons. they investigate their own environments for examples of polygons. After reading the book, The Greedy Triangle, they discuss everyday objects that are polygons. They create shape...
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Geo-Town
Second graders use a checklist to construct a Geo-Town map including a compass rose, a map key, and a paragraph about a walk around Geo-Town, using appropriate geometric and directional vocabulary to identify the two-dimensional figures...
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Double Exposure Lesson Plan: Artistic Analysis of a Photograph
Young scholars view photographs on Web module, practice answering questions of analysis, and identify artistic qualities of photographs by applying the analysis of elements of art.
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Tessellating Tiles
Second graders Make, name and describe, using their own language and the language of geometry, everyday shapes and objects. They create and talk about geometric patterns which repeat (show translation), or which have rotational or...
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Congruent Shapes
First graders view congruent shapes on a white board and define what congruent means. For this congruent shapes lesson, 1st graders recognize which shapes are congruent and which aren't Students complete a giant worksheet in...
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Symmetries of Strip Patterns
Students study strip patterns and identify symmetry. They create a paper doll chain. They experiment with different shapes. They determine if their chain is a strip pattern. They create snowflakes with triangles.
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Spatial Relationships
Students investigate the geometry concept of spatial relationships. They draw a replica of a cube. Students list the planes on the cube and go into further depth with identifying the parallel line in segments of the cube. The...
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Intro to Geometry
Seventh graders identify a polygon and classify them using congruent sides and number of edges and vertices. Students transform two dimensional objects into three dimensional objects.
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No-Three-In-A-Line Again
Learners interpret information and results in context while using words and symbols to generalize patterns. They use symmetry and angle properties of polygons to solve practical problems and identifying invariant properties under...
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Lagoon Lake
Students develop skill in using co-ordinates. Up to eight cardinal points of the compass are used making this a useful activity in simple map and grid work. They utilize educational software to gain practice.
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It's Not All Greek to Me
Learners find out the meaning for prefixes used in math vocabulary. By dissecting words used in everyday math, they figure out what the prefix indicates and what the word means. A variety of well-organized worksheets and activities...
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Sharing Brownies: Fractions That Represent a Fair Share
Elementary graders discover the concept of fractional pieces of a whole. They investigate the meanings of fractions in everyday life and why they are used. Pupils divide brownies amongst each other to demonstrate the use of fractions...