Curated OER
Polygons
Fourth graders identify and describe lines, shapes, and solids using formal geometric language. They use Inspiration to create a graphic organizer and outline of polygons.
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The X-33 and the X-38
Students explore the relationships among the lengths, areas, and volumes of similar solids. They also discover what effect doubling the dimensions of a figure has on the resulting area.
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Unit Circle Triangle
Students find the different ratios of a right triangle. In this geometry lesson plan, students apply the concept of the Pythagorean theorem as they identify the different angles and parts of a Unit Circle. They find the ratios of sine,...
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Shapes are Everywhere
Second graders gain an understanding of geometric shapes and spatial reasoning. They learn the attributes of solid shapes in everyday activities. Students compare geometric shapes to everday objects, finding things that serve a purpose...
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Sizing Up Shapes
First graders explore geometric shapes. In this math 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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Volume Of A Cube
Fourth graders find the volume of cubes and cylinders. To determine volume, they fill large cubes with centimeter cubes. They discuss the formula used to find the volume of a cube. Students explore why the solution to the volume of a...
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Pump Up the Volume
Fourth graders calculate volume. In this volume lesson, 4th graders calculate, estimate, and compare units of volume in English and metric systems.
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DEAD MAN'S CURVE
Ninth graders, after being given a unique scenario and a task sheet on Dead Man's Curve, calculate and explain the force needed to keep a car on a curve using a set of formulas and a geometric property of circles. They utilize and create...
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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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Dodecahedron
In this dodecahedron worksheet, learners build a model of a dodecahedron. The pattern for this shape is made up of twelve pentagons. This is a worksheet generator, and the teacher can choose if a sample of the completed shape will be...
Alabama Learning Exchange
Pennies, Pennies and More Pennies
Learners determine the number of pennies needed to fill a room. In this pennies lesson plan, learners work in groups to determine the number of pennies needed to fill a room. They compute the probability of the head of a pin landing on...
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Shaping Up with Nature at Black Bayou Lake
Students visit a local lake refuge and identify shapes they find in nature. They take pictures of the various shapes and use KidPix to draw shapes around the shapes in the pictures. They watch a slideshow of all the shapes found by their...
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Nature's Polyhedrons
Students discover the characteristics of polyhedra. Through hands-on activities and interactive videos, students investigate and retrieve information on polyhedra and crystal structures. Students study angles and symmetry. They...
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That's So Square
Students familiarize themselves with the three most common geometric shapes: circles, triangles and parallelograms. They sketch, sort, and name the shapes.
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Shapes Are Everywhere
Third graders use various shapes to identify polygons and understand symmetry. They explore pattern blocks noticing their similarities and differences, then share with other team members. They draw 3 polygons in their journals and...
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A World of Symmetry
Young scholars identify lines of symmetry. In this symmetry lesson, students create objects and identify their lines of symmetry. They answer questions about lines of symmetry. Young scholars cut shapes out of cookie dough and...
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Determining Beam Stress and Deflection with COSMOSXpress
Students analyze cantilever stress using COSMOSXpress. In this engineering activity, students calculate the beam's maximum deflection. They investigate the effect changing beam dimensions.
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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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Circles to Spheres
Students investigate circles and spheres. In this space shapes activity, students compare and contrast two-dimensional and three-dimensional shapes. Students investigate the relationship between plane and space shapes.
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2 Digit Subtraction Worksheets with Regrouping
In these subtraction worksheets, students will subtract single and double digit subtrahends from double digit minuends. Students will need to regroup to solve.
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Three-Dimensional Objects
Fourth graders view and identify three-dimensional figures. They analyze and discuss various figures, build three-dimensional figures, and complete various worksheets and worksheet discussion questions.
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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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Shape Up!
Students investigate measurement through the use of literature through this series of lessons.
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Pythagorean Theorem
Students investigate the Pythagorean Theorem. For this seventh through twelfth grade geometery lesson, students explore the Pythagorean Theorem and its converse and use it to find the length of the missing side of a right triangle.