Curated OER
CSI Investigation of Congruence and Similarity
Students differentiate between similarity and congruence using polygons. In this geometry lesson, students label triangles based on their properties. They find missing sides and angles using the interior sum theorem.
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Instruments In Action
Students read and demonstrate eight measures of four beats. In this music reading lesson, students read and demonstrate through movement their mastery of eight measures of four beats. Students also classify instruments.
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2-D Polygons
Students investigate the concept of two dimensional polygons. They complete a vocabulary chart with the teacher or in independently. Students are shown various polygons in order to classify them and then asked to draw one of them from...
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The Search for Pythagoras' Treasure
Students identify and define properties of triangles. For this geometry lesson, students identify the missing sides and angles of right triangles. They use the rules of the Pythagorean Theorem to solve their problems.
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What's the Texture?
Students sort, classify, and write about how they sort a variety of shells.
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Gummy Bear Sorting
Learners demonstrate knowledge of sorting and classifying by color as they sort gummy bear candies.
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Shapes Are Everywhere
Third graders explore pattern blocks noticing their similarities and differences and share their observations with others. They classify shapes by discussing sides and angles and combine pieces to make new shapes.
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Length, Perimeter, and Area
Students explore the concepts of length, perimeter and area. Students develop an understanding of length, perimeter, and area. Students calculate the area and perimeter of random shapes and calculate the area and perimeter of a triangle...
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Compare 2-D Shapes
Second graders explore and analyze plane shapes. In this plane shapes lesson, 2nd graders evaluate shape attributes to classify shapes correctly. Students work in groups to create different shapes.
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Cars, Trucks, and Things that Go Sorting Fun!
First graders sort toys by various attributes. They, in groups, sort toy vehicles by color, size etc. and then explain how they chose to group the toys. They write, draw or dictate an explanation of their sorting methods.
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Bodacious Buttons
First graders graph a data set. Given a set of buttons, 1st graders sort them into categories using specific attributes. They graph the number of buttons in their set based on their attributes using a variety of graphs. Students share...
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Geometric Figures
Students compare, classify and calculate the area of geometric figures such as rectangles, squares, circles and triangles.
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Fashion Day
Eighth graders practice using basic measurements to solve word problems.They also investigate finding the perimeter of different polygons and define the characteristics to classify the shape as a polygon.
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A Snap at Geometry
Students study geometric images and polyhedrons. In this geometry lesson plan, students complete several activities to learn about geometric shapes and classify polyhedrons from polygons. Students watch a video, complete a web-directed...
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Venn Diagram with Blocks
Fifth graders classify blocks according to their attributes. In this math lesson, 5th graders will identify attributes of blocks, sort them, then form the groups into a Venn Diagram, and write ratios using the attributes.
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One-Difference Classification Train
Students practice their classification skills through hands-on practice. Working in groups, students identify various ways in which similar items can be classified. Given a kit of similar items, students classify objects in multiples...
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Manage Soil
Students identify and classify soil ypes according to data on the soil triangle. Given examples, students identify soil conservation practices, using criterion assessment instrument. When giving a case situation involving soil...
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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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Listen to a Shape
First graders identify basic shapes (circle, square, rectangle, triangle) and describes the attributes of each. They use magazines to find examples of each shape, and then make a collage.
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A Funky Healthy Life Style!
Learners name the five food groups and classify foods according to group. They tell how proteins, carbohydrates, vitamins/minerals, and water help their body. Students discuss how play and exercise can help their body.
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Make Your Own Shape Puzzles
Students create their own shape puzzles. They practice putting puzzle pieces together so they fit correctly. They classify and sort the different shapes as they finish the puzzle.
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Pyramid Play
Students investigate the concept of the Food Pyramid. They use a game as a tool of discovery in order to classify different types of food in the pyramid. Upon completion of the game the students construct their own models of it.
Virginia Department of Education
High School Mathematics Geometry Vocabulary Word Wall Cards
Having a good working knowledge of math vocabulary is especially important for geometry learners. Here are 119 pages worth of wonderfully constructed definitions, constructions, formulas, properties, theorems, and postulates. This is a...
Curated OER
Similar Figure Word Problems
In 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 problems. Answers...
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