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GeoGebraGeoGebra Classroom

TWINS (22 May) Activity 1 (Page)

(A) Try it Out:

Instructions: 1. Click on the NEW tool (Red Circle) and then click anywhere on the Graphics view. (a) What happens?  2. Click on the NEW tool (Blue Circle) and then click anywhere on the Graphics view. (a) What happens?

Sample File:

(B) Hands-on Activity:

Instructions: 1. Create a circle with radius 2 units. 2. Create a new tool for creating this circle. a. Output object (what will be shown):  i. Click on the circle. b. Input object (what needs to be done to create the output):  i. Select the centre of circle c. Name & Icon ( describe the function of the tool & give an icon image):  i. Give a description of the tool.  ii. Upload an icon image: https://drive.google.com/open?id=1bRFVUsNdeKTQdVRpA4P30StREpnNpR1C  iii. Check the “Show in Toolbar”. 3. New tool is shown in Toolbar. 4. Hide the circle and the point. 5. Create a circle with varying radius (1 unit). 6. Create a new tool for creating this circle. a. Output object:  i. Click on the circle. b. Input object:  i. Select the centre of circle.  ii. Select the point on the circle. c. Name & Icon:  i. Give a description of the tool.  ii. Upload an icon image: https://drive.google.com/open?id=11jqxiTGodSwocAJPtRGol2NDDUx4a081  iii. Check the “Show in Toolbar”. 7. New tool is shown in Toolbar. 8. Hide the circle and the points. 9. [optional] Customise the Toolbar to show/remove tools. a. Keep the tools:  i. “Move”.  ii. “Move Graphics View”.  iii. Any other tools of your choice b. Apply this new Toolbar. 10. Save the file. 11. Go to your Resource Page. 12. [important] Click on “Edit Activity”. (otherwise the toolbar will not appear) a. Edit the GeoGebra element. b. Check the “Show Toolbar” and save it.

Worksheet: