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Henri Picciotto's Math Education Page

Henri Picciotto

Use these applets to implement the approach presented in Fraction Arithmetic on Grid Paper.

Basic idea: use the denominators of the two fractions as the rectangles' dimensions.

- Use the red
**O**to adjust the rectangle dimensions. - Use the blue
**O**'s to shade fractions.

Download the GeoGebra files: two rectangles | one rectangle

Back to: Fraction Arithmetic on Grid Paper

See Slices for the pie representation of fractions.

Fractions home page