| The square on the left illustrates 9/15 (portion of the square shaded in blue).
1a) Drag the purple sliders to illustrate this fraction expressed in simplest form (Hint: 9/15 is not in simplest form). 1b) Use the handle (red point) to drag the purple square on top of the blue square. Do the shaded portions match? If so, you have correctly simplified the fraction 9/15 to simplest form. 2a) Drag the blue sliders to illustrate the fraction 5/20. 2b) Drag the purple sliders to illustrate this fraction in simplest form. 2c) Use the handle to drag the purple square on top of the blue square. Do the shaded portions match? If so, you have correctly simplified the fraction 5/20 to the simplest form. |
3a) Drag the blue sliders to illustrate the fraction 4/16.
3b) Drag the purple sliders to show two different equivalent fractions on the purple square.
3c) Use the handle to check both answers. Do the shaded portions match in both cases?
3d) Which fractions represents 4/16 in simplest form?
Harry Marshall, Created with GeoGebra