Goal: Allow Adding & Subtracting of Integers to our Slider Arrows   - Screencast with directions below (not yet)
Prequel: This quickie uses the GeoGebra file and learning of the quickie: Arrow Slider 2
Try the result! Slide to Add or Subtract. Click & drag the top arrow points. Select checkbox to see/hide result.
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See the construction protocol.
Notes.

The drawing pad setup is from: Arrow Slider 1
We have used options:

  • Options -> Point Capturing -> Grid (On)
  • Options -> Rounding -> 1 Decimal Place
The 1st fixes the sliders to grid points when dragging; the 2nd helps with the "looks" since using a dynamic limiting segment for the 2nd arrow means that moving the 1st arrow shifts the 2nd arrow - I don't know why.
Screencast  Printable Step-by-Step Directions   
               

 

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Page last modified on July 19, 2009, at 09:43 AM