decimal representation graphic

[jbb]

Please see the attached page (didn't get attached with previous posting). I am using a raised dot for shaded squares. How would I indicate half a shaded square?

Thank you!

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[dspence]

The dot(circle)that you are using would have to be large enough to clearly be able to tell that you were using only "half a dot (circle)." The squares around the dot (circle) would have to be large enough to have some blank space around them so as to clearly be able to distinguish the dot(circle)from the square around it. This means you will have to draw the hundreds square really big. ... or ... you could explain in a key that a shape represents half a shaded square. For example in a key, explain that a triangle represents a half shaded square. Then in the half shaded square on the diagram, put in a small triangle shape. You would have to use a large enough triangle so the student can tell it's a triangle. Diane

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