Nets (Geometry): Math Lessons for the SMART Board™/4-6

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Product Description:

Give students these instructions: Close your eyes. Imagine a square. “Draw” a diagonal line from one corner of the square to another. Visualize the triangles that are created by the diagonal line. Open your eyes. Draw the triangle on your individual whiteboard. In pairs, discuss what type of triangle you have drawn, and things you can say about it. Take feedback from students, encouraging them to use the correct vocabulary. Make a note of key words in the “Nets” Notebook file. Repeat the activity with a rectangle and discuss the differences! Complete with a teacher's page PDF and a launch-and-learn Notebook file, this mini-lesson helps to achieve the following learning objectives: • Identify, visualize, and describe properties of rectangles, triangles, regular polygons, and 3D shapes. • Use knowledge of properties to identify and draw nets of 3D shapes.

Grades 4 - 6

This mini-lesson meets the following Common Core State Standards for Mathematics: 6.G.4: Represent three-dimensional figures using nets made up of rectangles. Apply these techniques in the context of solving real-world and mathematical problems. This mini-lesson also meets the following NCTM Standards: • Identify and build a three-dimensional object from two-dimensional representations of that object. • Identify and draw a two-dimensional representation of a three-dimensional object.

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