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Geo Jammin'
Students compare and contrast related two- and three-dimensional shapes, and complete a Venn diagram illustrating the attributes of each. Using a poem pattern from another lesson, students use data from the diagram to write an attribute...
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Odd One Out
Ninth graders identify and describe in their own language, the following 2-dimensional shapes: square, circle, box, pentagon; classify objects by shape attributes. They then list a number of properties that distinguish squares from...
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Triangles Introduction
Students explore geometry by drawing various shapes in class. In this triangle characteristics instructional activity, students identify the attributes that classify a shape as a triangle and practice using their bodies to create...
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Regular Polygons
Fifth graders explore polygons. In this math instructional activity, 5th graders find examples of regular polygons in the classroom and measure the sides of figures to determine if they are regular polygons.
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Symmetry that is Basic and Beautiful
Learners explore lines of symmetry. In this symmetry lesson, students divide and combine shapes along basic lines of symmetry. Learners explore symmetry in real life objects.
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Surface Area with Polydrons
Students explore measurements by analyzing geometric shapes. In this surface area lesson, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons. Students utilize...
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Figure It Out - Polygons
Sixth graders explore different polygons. In this polygon lesson, 6th graders examine a rhombus, quadrilateral, parallelogram, and rectangles. Students compare and contrast polygons and research shapes on the Internet.
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Area
Students use different shapes that represent tangrams to determine the area of a space. In this area lesson plan, students trace shapes and have their partners determine the area of that shape.
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Examining Geometric Solids
Students explore geometry by completing a math worksheet in class. In this shape identification lesson, students identify the characteristics associated with 15 solid geometric shapes. Students identify patterns between vertices, edges...
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Whatever Floats Your Boat
Second graders make boats by folding paper. They identify and draw shapes made during the creating process and place lines of symmetry on them. They demonstrate their understanding by completing an activity sheet imbedded in this plan.
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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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Interactive Geometry
Students discover the plain shapes that make up space shapes. They match and stamp shapes together, and create their own space shapes. Students apply what they know about space shapes to make amuseum of shapes. Finally, they compare...
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Classifying Polygons
Students study polygons. In this math lesson, students play a game in which they learn the classification system for polygons. Students identify the properties of quadrilaterals.
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Rectangular Prism Net
In this geometry worksheet, students cut out a rectangular prism net. They cut along the dotted lines as indicated the scissors icon, and fold the piece along the solid lines to form the three-dimensional shape. There are no directions...
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Classifying Solids
In this geometry worksheet, students write the name of the shape, and identify the number of vertices, edges, and faces for 6 e-dimensional shapes. Students draw 3 shapes, and classify groups of pictures.
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Tessellation Project
Fifth graders will be predicting and describing the results of sliding, flipping, and turning two-dimensional shapes. They will also understand patterns so they can describe, extend, and make generalizations about geometric and numeric...
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Ruler and Compass Constructions
Fourth and fifth graders examine how to construct perpendicular lines and to bisect angles using rulers and compasses in this unit of lessons. They design a number of polygons using these methods.
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Area and Volume
Use this geometry review worksheet to have learners complete nine problems involving transformations, area, volume, and unit conversions. They answer one multiple choice question on estimating lengths.
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Tile Patterns I: Octagons and Squares
This can be used as a critical thinking exercise in congruence or as a teaching tool when first introducing the concept. Four octagons are arranged in such a way that a square is formed in the middle. With this information, geometry...
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Three-Dimensional Figures
Sixth graders explore three-dimensional objects. In groups, they create and decorate their own polyhedron design. After identifying the faces, vertices, and edges of the polyhedron, 6th graders determine a relationship between the...
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Nets of 3-Dimensional Figures
In this nets of 3 dimensional figures worksheet, students determine which given figures will make given nets, then name a set of 4 shapes.
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Nets of 3-Dimensional Figures #2
In this nets of figures worksheet, students determine which given shapes will make a shown net, then name the shapes uses. A reference web site is given for additional activities.
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Artistic Angles
Fifth graders explore angles by using protractors. They recognize, describe and determine the surface area and volume of three-dimensional shapes. Students recognize the right angle, acute angle, obtuse angle and vertex. They identify...
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Geometry Gymnastics
Students identify shapes and manipulate 2 and 3 dimensional objects. They view objects from different perspectives and review relative positions (near, far, between). They sing a shape song.