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Investigation: Sorting and Classifying
Fifth graders explore geometry by creating shapes with construction paper. In this shape characteristics lesson, 5th graders identify the different attributes that make up specific shapes and create them using construction paper, rulers,...
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Polygons
In this math instructional activity, students classify the six polygons. Then they answer the questions related to the geometric properties of the shapes.
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Cutouts
Young scholars identify symmetry in shapes. In this geometry lesson, students fold paper to identify lines of symmetry. Young scholars create various symmetrical shapes using folded paper.
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Isosceles Right Triangle
In this isosceles right triangle instructional activity, 10th graders solve and complete 5 different constructions of composition and decomposition. First, they make 4 congruent isosceles triangles with the model on the left. Then,...
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Symmetry Fun
For this symmetry worksheet, 7th graders identify and complete 12 different lines of symmetry in polygons. First, they color all of the polygons that have a line of symmetry. Then, students circle all of the regular polygons and use the...
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Polygons And Polyhedra
Students recognize and name two-dimensional and three-dimensional geometric figures. One group of students will extend the study of polygons to quadrilaterals while another group of students will extend the study of polygons to...
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Introducing Angles
Sixth graders identify, compare and interpret the characteristics of polygons and angles in order to meet spatial sense, geometry and measurement standards. They also sort shapes into three categories, polygons (regular and irregular)...
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Tessellation Trial and Error
In this interactive lesson, students review attributes of equilateral polygons. They are introduced to the concept of a tessellation. Using protractors and pre-cut shapes, students arrange a variety of tiles to create tessellations. They...
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Revise Identifying 3-D Shapes pg 2
3-D shapes identification is the focus of this geometry worksheet. Students determine the name of eight different 3-D shapes. Answers appear at the end of the worksheet.
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Polygon Perimeters
Students define the terms polygon and perimeter to begin the lesson. Using a calculator, they practice determining the perimeter of various symbols in a painting. They discuss how geometry and art are related to one another.
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Geometry
Students build replicas about nature and sports. In this geometry lesson plan, students build 3D replicas of nature and sports objects in teams.
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The Greedy Triangle
Students discuss figures with various numbers of sides. In this geometry instructional activity, students are read The Greedy Triangle by Marilyn Burns, they participate in a class discussion of many sided figures and are...
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Plain Figures and Measuring Figures
Students investigate basic geometric concepts. In this geometry lesson, students explore solids through measuring and modeling. This assignment models the importance of understanding concrete objects in geometry.
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Reflections
Fifth graders create a reflection of a poygon using a Mira. They discover that a line connecting a vertiex of a polygon and the corresponding vertex of its reflection is perpendicular to the line of reflection. Students create a glide...
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Polygon Perimeters
Students complete worksheets where they calculate the perimeter of polygons. In this perimeter of polygons lesson plan, students divide complex shapes into simple shapes to find the perimeter.
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Stained Glass Polygons
Students follow directions to make a stained glass window design of regular and irregular polygons with specific geometric elements. In this geometry lesson plan, students also analyze other classmate's designs.
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Polygon Monster
Students brainstorm different kinds of shapes. They then draw them on the paper and write the name of the shape on the back and then assemble the shapes to make a "monster". Students make up a survey about the monster including its name...
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Perimeter
Fifth graders create math word problems. In 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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Geometry
In this line and angles worksheet, students explore basic geometry vocabulary. They classify polygons. Students determine the area and perimeter of given shapes. They examine the parts of a circle, find volume and...
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Polygons and Vertices
In this geometry worksheet, students 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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Parallel and Perpendicular Lines
Fifth graders complete activities to investigate parallel and perpendicular lines. In this plane geometry lesson, 5th graders watch a movie about parallel and perpendicular lines. Students work in pairs to describe and draw the lines in...
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Who Let the Dogs Out?
Students calculate the perimeter and area of polygons. In this geometry lesson, students apply formulas of perimeter to solve geometric problems. They calculate the area of a dog fence and create ways to keep the dog in that area.
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Sunshine Math- 2
In this math applications worksheet, students solve 6 varied problems that include estimation, money, basic operations, pictographs and geometry.
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Congruency Basics
Fourth graders investigate congruent shapes. In this congruency lesson, 4th graders explore examples of congruent shapes. Students determine how to check for congruency by sliding or flipping the shape.