Curated OER
What You See Is Not Always What You Get!
Students estimate and calculate the distance of a shape. In this algebra lesson, students differentiate between a horizontal distance and it's reflected image. They measure the reflection and the point starting at the eye of the observer.
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Design a Track
Learners investigate track and field dimensions, measure an actual track, and construct a scale model. The use of a meter stick, dimensional analysis, and the application of the distributive property to variables forms the main focus of...
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Geometers Sketchpad Practice
Students create polygons using geometers sketchpad. In this geometry instructional activity, students construct the interior angles of polygons and label the different points. They estimate and measure the different parts as they draw...
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Using Concept Maps to Design 3D Spheres
Students create three dimensional shapes using concept maps. In this geometry lesson, students investigate the impact of mental schemas on humans. They collect data on this topic and plot their data on a coordinate plane.
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Compare 2-D Shapes
Second graders examine the attributes of two-dimensional shapes. In this geometry lesson plan, 2nd graders play a game in order to identify two-dimensional shapes and to name them.
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Isosceles Triangles
Students investigate triangles. In this shapes geometry lesson, students define and state the attributes for equilateral, scalene, and isosceles triangles. Students locate the prefix "tri" in a variety of words and make connections with...
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Cones, Cylinders, Spheres
Students classify polygons by name and shape. For this geometry lesson, students identify the lateral surface of each conic. They differentiate between cones, cylinders and spheres.
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Transformation Trio
Students identify the transformation and rotation of polygons. In this geometry lesson, students use picture to perform rotation, reflection and transformation. They identify the coordinate points of the new transformation.
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Area of Combined Shapes - Turtle Combo
Students graph polygons using the name and number of sides. For this geometry lesson, students identify the formula to calculate the area and perimeter of polygons. They relate the formula to different polygons and shapes.
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Camping with a Triangular Prism and Its Net
Students differentiate triangular prisms from other prisms using nets. In this geometry lesson plan, students define the properties of a triangular prism and its symmetry. They build a triangular prism moving lines around.
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Midpoint Formula in the Coordinate System
Students calculate the midpoint of a line. In this geometry lesson, students identify the different parts of the coordinate plane. They use the midpoint formula to find the middle of segments between a pair of coordinates.
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More Prisms/Nets
Pupils calculate the volume and surface are of three-dimensional shapes. In this geometry instructional activity, 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 factors: Ratios and Proportions
Pupils create building and models using scale factors. In this geometry lesson plan, students apply the properties of ratio and proportion to solve problems. They identify the means and extremes property of cross multiplication.
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Sketching Cones
Young scholars sketch cones and identify its properties. In this geometry lesson, students calculate the surface area and volume of each three dimensional shape. they define and sketch prisms, pyramids and cylinders.
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Sketching Cylinders
Students create nets of cylinders. In this geometry lesson, students calculate the surface area of cylinders and other solids. They show their understanding of three-dimensional shapes by solving problems.
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Sketching Prisms
High schoolers sketch and create nets of different polygons.In this geometry lesson, students differentiate prisms from other three-dimensional shapes. They define the properties of prisms.
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Sketching Pyramids
Students sketch and identify properties of pyramids. In this geometry lesson, students create nets to identify three dimensional shapes. They sketch cones, prisms and pyramids.
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Special Right Triangles
Students identify the different parts of a right triangle. In this geometry instructional activity, students use the Pythagorean Theorem to identify missing sides and angles of a right triangle. They work with irrational and rational roots.
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A Sphere and Its Net
Learners identify and sketch the nets for sphere. For this geometry lesson, students differentiate between two and three dimensional shapes. They find the surface area of each sphere.
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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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Surface Area of Spheres
Students identify the properties of a sphere. In this geometry lesson, students calculate the surface area of spheres using the formula derived by nets. They identify the radius and diameter of the sphere.
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Sketch Up
Young scholars estimate and measure exact. In this geometry lesson, students create different object in three-dimensional pattern. They use SketchUp to create their shape and perform measurements on their shapes.
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Triangle Puzzler
Students are introduced to some basic concepts of geometry. They explain that the definition of a triangle is a figure with three sides, three angles, and three points. Triangles can be named by using three points in their correct sequence.
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Light Beam
Students measure and convert between units. In this geometry lesson, students investigate through measurements of distances. They relate the properties of circle to solving problems with radius, diameter and area.
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