

 Lesson plan   
Develop strategies to determine the perimeter of rectangles and plane figures. 

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 Lesson plan   
Find the distance between two points in the coordinate plane using the Pythagorean Theorem. 

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 Lesson plan   
Find the volume of a rectangular prism. Solve contextual problems. Find the largest and smallest volume for a piece of luggage. 

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 Lesson plan   
Find the volume of a cylinder. Solve problems involving the volume. Find the volume of similar cylinders. 

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 Lesson plan   
Classify quadrilaterals by their sides and by their angles. 

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 Lesson plan   
Classify plane figures according to types of symmetry (line, rotational). 

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 Lesson plan   
Identify solid figures including prisms, pyramids, cones and spheres. Identify the nets of solid figures. 

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 Lesson plan   
Use algebra to solve geometry problems. Review angle properties for angles on a straight line, angles in a triangle, complementary, supplementary, interior, exterior and opposite angles. 

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 Lesson plan   
Derive the formula for the area of a circle. Find the area of a circle given the radius or diameter of a circle. 

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 Lesson plan   
Investigating the interior and exterior angles of polygons. Derive the formula for finding the sum of the interior angles of a polygon. Use this to find the interior angles of a regular polygon. Find the sum of the exterior angles of a polygon. 

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 Lesson plan   
Students learn to recognize shapes and colors with six different exercises. 

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 Lesson plan   
Introduce the terms flips, slides, and turns. 

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 Activity   
Use tiling to show in a concrete case that the area of a rectangle with wholenumber side lengths a and b + c is the sum of a x b and a x c. 

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 Activity   
Practice spatial skills by finding the correct image that is taken on a map. 

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 Lesson plan   
Identify, estimate, and measure the angles of plane figures using appropriate tools. 

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 Lesson plan   
Identify, estimate, and measure the angles of plane figures using appropriate tools. 

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