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Geometry:

Geometric Art

 

Today's Snack: Cut raw veggies into geometric shapes - circles, ovals, squares, rectangles, triangles, parallelograms, etc. - and wash down with a tall CYLINDER (there's another geometric shape) of fruit juice!

 

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Supplies:

Compass | extra pencil | ruler | plain white paper | colored pencils or thin markers

 

                       

            Load a pencil into your compass. Open your compass to about 3½ inches, or 9 centimeters. With the ruler, find the center of your paper from top to bottom, and from side to side.

 

Place the sharp part of the compass there, and rotate the drawing point all the way around, lightly drawing a circle.

 

            With the extra pencil, lightly mark a point and label it "A" on the top of your circle.

 

Without changing the compass settings, place the compass point on point A, and revolve the compass so that the pencil point is also on the curve of the circle to the right. Mark that point "B."

 

Continue around the circle using the compass to measure points "C," "D," "E" and "F." Your circle should now be divided into six equal parts. Each of the six points is the same distance from the ones next to it, as it is from the center point.

 

Now use your ruler to copy the basic pattern, below. Draw lightly! Then make a list and count all the geometric shapes you see within that circle: triangles, quadrilaterals, parallelograms, diamonds, etc.

 

When you're finished, you can either color this geometric shape, or erase part of it and redraw lines to produce one of the three alternative patterns below it. You can also have fun on another sheet of paper making a geometric artwork using only circles of different sizes with your compass.

 

 

 

 

 

By Susan Darst Williams • www.AfterSchoolTreats.com • Math © 2010

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