

 Activity   
Allow children to see how shapes can be decomposed into other shapes and introduce them to tiling. Build patterns, create and solve critical thinking problems, and model various math concepts. 

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 Activity   
Students learn to name coordinates by studying the grid. 

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 Activity   
Find the area of a shape on a grid by counting squares. 

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 Lesson plan   
Identify, compare, classify, and analyze attributes of two and three dimensional shapes. 

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 Lesson plan   
Identify common plane shapes including squares, circles, rectangles, triangles. Identify polygons up to six sides. Classify shapes by common characteristics. 

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 Activity   
Determine the perimeter of rectangles or compound figures using side lengths. 

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 Lesson plan   
Identify geometric solids including cubes, cylinders, cones, spheres, rectangular prisms, and pyramids; relate them to objects in the environment. 

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 Activity   
Calculate the area of rectangles or compound figures using side lengths. 

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 Lesson plan   
This lesson contains several predesigned figures. Use pattern blocks to create the same figures. 

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

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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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 Lesson plan   
Use the coordinate system to describe the location and relative position of points and draw figures in the first quadrant. 

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 Lesson plan   
Look for relationships between the lengths of the sides of a right triangle, leading to the Pythagorean Theorem. Apply the theorem to find the hypotenuse and legs of a right triangle. 

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 Lesson plan   
Sort items by multiple attributes, or combine attributes to form items in a matrix. 

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