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Attributes & Nets of a Cube
Third graders engage in a lesson that focuses on the attributes and forming of a cube. They construct a cube using different combinations while comparing a square with only two-dimensions. Students fold paper while following the...
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Play Dough Day
Twelfth graders build a model of the following figures with the base from column I and the cross-section from column II. Draw the base with labeled axes on the graph paper and construct the figure on top of the base with the play dough...
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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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Three-Dimensional Figures
Sixth graders explore three-dimensional objects. Using various objects found in the classroom, they identify faces, edges, and vertices of objects. Students create their own objects. They describe the polydron, telling the faces,...
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Polygons and Plane Figures
Students choose a polygon to define and describe, and use Power Point and the Internet to present their polygon.
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Polydron Fun
Young scholars investigate nets as they relate to volume and area. In this geometry lesson, students use nets as a visual to deepen their understanding of surface area and volume of objects. They make conjectures about different objects...
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Volume and Surface Area of Right Rectangular Prisms
Young scholars identify the formulas for three-dimensional figures. They use manipulatives to model problems. Students create foldables and explain volume and surface area. Young scholars complete worksheets and classify solids. ...
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Exploring Characteristics Needed to Prove Two Trianlges Congruent
Tenth graders explore congruent triangles. In this geometry lesson, 10th graders investigate the conditions necessary to prove two triangles congruent. The lesson combines dry erase board activities and the use of technology.
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A World of Symmetry
Students identify lines of symmetry. In this symmetry lesson, students create objects and identify their lines of symmetry. They answer questions about lines of symmetry. Students cut shapes out of cookie dough and decorate it to...
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Circles to Spheres
Students investigate circles and spheres. In this space shapes instructional activity, students compare and contrast two-dimensional and three-dimensional shapes. Students investigate the relationship between plane and space shapes.
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Volume of Spheres
Students find the volume of spheres. In this geometry instructional activity, students measure and derive the formula for each shape and solid. They use the correct terminology and units when solving these problems.
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Polygon Sum Conjecture
Students calculate the sum of the angles of a polygon. In this geometry lesson plan, students use the interior angle formula of polygon based on the number of sides of the polygon. They identify the missing angle using algebra.
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Troublesome Towers
Students observe solids and identify parts that make up the surface area. In this geometry lesson plan, students calculate the surface are of solids and cones. They find polygons and solids in the real world.
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Cut It Out!
Students calculate the surface area of polygons. In this geometry lesson, students use spacial reasoning to find the answer to their problem. They analyze solids and create formulas to estimate the measurements of the area.
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Folding to Make Shapes
Second graders identify different polygons and their attributes. In this geometry lesson, 2nd graders get to know polygons by studying the vocabulary and finding polygons in their classroom. They create these shapes and then find their...
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Investigating: Finding the Volume
Sixth graders explore geometry by utilizing colored cubes in class. In this volume lesson, 6th graders identify the different shapes they can create using their colored cubes and identify the formula for finding volume. Students create...
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Castles
Students create a scale model to a castle using the dimensions they were given. They calculate the surface areas and volumes of each section of their castle.
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Speaking Geometrically
Fourth graders are introduced to the vocabulary needed to identify the attributes of two and three-dimensional figures. They work together to create a word wall, which contains the geometric terminology being learned.
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Surface Area of Prisms
Students calculate the surface area of different prisms. In this geometry lesson, students identify the shapes of solids based on the properties of that solid. They calculate the surface area using nets and properties of prisms.
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More Prisms/Nets
Students calculate the volume and surface are of three-dimensional shapes. In this geometry lesson, students use the nets to prove their calculations of shapes. They identify the different parts of a solid using the nets.
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Scale Factor- Surface Area and Volume
Students calculate the surface area and volume of shapes. In this geometry lesson, students create different scales and calculate the volume and area for each shape. They compare and contrast between the different scales and shapes.
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Congruence with Robot Gobot
Students identify the properties of solids and polygons. In this geometry lesson, students identify the different measurements of a triangle. They use congruence parts and theorem to prove their answer.
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Sizing Up Shapes
First graders explore geometric shapes. In this math instructional activity, 1st graders sort shapes into groups and discuss the characteristics of the shapes. Students build geometric shapes using toothpicks and marshmallows.
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Sketching Cylinders
Students create nets of cylinders. In this geometry instructional activity, students calculate the surface area of cylinders and other solids. They show their understanding of three-dimensional shapes by solving problems.