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Curated OER
Similar Figure Word Problems
For this similar figure worksheet, students use similar figures and indirect measurement to determine distance. They use proportions of similar figures to determine scale figures. This two-page worksheet contains 8...
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Area Unit
Students solve the area for parallelograms,squares, rectangles, trapezoids, and triangles. In this geometry lesson, students compare and contrast two dimensional shapes and apply their properties to solving real life scenarios. This is a...
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Tessellations: Geometric Patterns
Learners create tessellation drawings using repeating geometric shapes.
Curated OER
Investigation - Adrienne's Pattern Block Angles
Fifth graders investigate possible solutions to a word problem. They explore properties of polygons and right angles. Students demonstrate proper angle measurement. Students discover patterns.
Curated OER
Countdown Challenge: Tangrams
In this tangram activity, students find the area of each tangram shape. Afterwards, they name each piece and find the area of combined figures. This one-page activity contains approximately 25 problems.
Curated OER
Countdown Challenge: Live Symmetry in Regular & Irregular Polygons
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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Transformational Geometry Using the Geometer's Sketchpad
Students complete a webquest on the various types of symmetry. Using a computer, they explore the concepts of transformational geometry and identify points, segments, lines and planes. They experiment with the rotation of a quadrilateral...
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Lesson Plan Two: Polygons
Learners explore the concept of polygons on a two-dimensional plane. They identify polygons in everyday life and draw different polygons according to their classification. Using a geoboard and geobands, they consrtuct polygons and even...
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Polygons
Students investigate the concepts related to the study of polygons. They specifically look at how angles is related. The instructional activity includes specific examples and dialogue to be used by the teacher during direct instruction...
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Crossword: Geometric Shapes
Using a word bank, mathematicians fill out a crossword puzzle using 9 clues. Each clue describes a shape, using details such as the number of sides, angle degrees, and the shape category. For example: "A quadrilateral with four equal...
Curated OER
Shapes from Shapes
Geometric shapes are really cool. Examine triangles, quadrilaterals, trapezoids, rhombuses, parallelograms, pentagons, and hexagons with your class. They draw large shapes and small shapes then compare them to understand their shapely...
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The Trapping of Trapezoids
This is a nice hands-on activity where young geometers create trapezoids and calculate their area by looking at areas of quadrilaterals and triangles.
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Discovering Math: Concepts in Geometry
Middle and high schoolers explore the concept of proving the Pythagorean Theorem. They research proofs of the Pythagorean Theorem. Pupils create posters of proofs, and research Greek mathematicians.
Curated OER
Hoops
With a creative premise involving a basketball competition, this game could be used to review basic science, grammar and math concepts in a fourth or fifth grade classroom. It is a fun idea, and a motivating way to review information....
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Identifying Angles
Students identify names of angles. They use a large clock to demonstrate angles using certain times of day. Given a geoboard, students create figures with acute, right, and obtuse angles.
Virginia Department of Education
Dilation
Open up your pupils' eyes and minds on dilations. Scholars perform dilations on a trapezoid on the coordinate plane. They compare the image to the preimage and develop generalizations about dilations.
Illinois State Board of Education
Geoboard Areas
Middle school geometers determine the area of a shape on a geoboard or dot paper and draw figures that meet given area conditions. Working as a class, they develop and discuss various ways to draw geometric shapes with specified...
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The Farmer's Problem
In this farmer's problem, students determine the maximum area that can be enclosed under given circumstances. This one-page worksheet contains 1 problem. The answer is provided.
Texas Instruments
The Determinant of a Matrix
Learners calculate the determinant. In this algebra instructional activity, students find the determinant and use to calculate the area of a triangle. They calculate the area of a quadrilateral in a plane.
Curated OER
What Shape am I?
Young scholars analyze characteristics of geometric shapes. They find shapes in their environment, and communicate why it is like the shape of their choice and not like another shape.
Curated OER
Battle Shapes
Fifth graders play Battleshapes which is a variation of Battleship with geometry. In this geometry lesson, 5th graders get a graph paper with four quadrants. They call out coordinate points and attempt to sink their opponents shapes.
Pennsylvania Department of Education
A Geometric Scavenger Hunt
Fifth graders connect their knowledge of polygons and polyhedrons. In this geometric shapes lesson, 5th graders identify and classify two- and three-dimensional objects. Students construct a polyhedron out of polygons and describe their...
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Placing Plates
Second graders investigate the task of making a large hexagonal plate by putting together smaller ones. The instructional activity has detailed example problems for the teacher to use during direct instruction. The manipulative...
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Geometry: 3D Objects
In this math worksheet, students examine 4 pictures of 3D objects and write the name of each. Students then study 3 pictures and figure the number of faces, edges and vertices on each.