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Dilation
Tenth graders identidy and define various geometry terms, Students create exact replicas of a shape that is either smaller or larger than the original shape. Students prove that their entire shapes are larger or smaller in the same...
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The Pythagorean Theorem
In this Pythagorean theorem learning exercise, 9th graders solve and complete 16 different problems that include using the Pythagorean theorem to solve each one. First, they find each missing measure given the hypotenuse of a right...
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Navy Sail Design
Students use the Pythagorean Theorem to explore sailboat design. For this Pythagorean Theorem lesson, two sides of a triangular sail are measured, and the theorem is used to calculate the third side. A worksheet, bulletin board design,...
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Area of Composite Figure.
Tenth graders predict the shape of a geometric figure in 3D. In this geometry lesson, 10th graders construct 3D shapes to perfect their knowledge of measuring and predicting. This assignment is also available as an online interactive...
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Volume of a Cylinder
Students predict the shape of a geometric figure in 3D. In this geometry lesson plan, students construct 3D shapes to perfect their knowledge of measuring and predicting. This assignment is also available as an online interactive lesson...
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What You See Is Not Always What You Get!
Students estimate and calculate the distance of a shape. In this algebra instructional activity, students differentiate between a horizontal distance and it's reflected image. They measure the reflection and the point starting at the eye...
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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
Learners investigate triangles. In this shapes geometry lesson, students define and state the attributes for equilateral, scalene, and isosceles triangles. Learners locate the prefix "tri" in a variety of words and make connections with...
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Cones, Cylinders, Spheres
Pupils classify polygons by name and shape. In this geometry lesson, students identify the lateral surface of each conic. They differentiate between cones, cylinders and spheres.
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Transformation Trio
Learners 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. In 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
Pupils differentiate triangular prisms from other prisms using nets. In this geometry instructional activity, 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
Learners 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 factors: Ratios and Proportions
Students create building and models using scale factors. In this geometry lesson, 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
Students 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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