working with angles

Maurice OReilly, 19 paź 2020

This book contains a collection of 17 applets about angles. [list] [*] How might you use them to explore Key Mathematical Ideas relating to angles? [*] How might you use them to support progression in children's understanding of angles? [*] At what class level would each of these be a useful digital resource? [*] How might each complement a non-digital resource? [/list]


  • 1. Protractor Quiz
  • 2. Triangle Exterior Angle
  • 3. Triangle: Interior Angles (Revamped)
  • 4. Alternate Interior Angles
  • 5. Exterior Angles of a Triangle
  • 6. Constructing Congruent Triangles
  • 7. Quadrilaterals
  • 8. Quadrilateral Interior Angles (Revamped)
  • 9. Triangle in Hexagon
  • 10. Geostix in GeoGebra A
  • 11. Geostix in GeoGebra B
  • 12. Geostix in GeoGebra C
  • 13. Geostix in GeoGebra D
  • 14. Right-angled triangle
  • 15. Triangle ASA
  • 16. Triangle with given sides (SSS)
  • 17. Nested pentagons

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Protractor Quiz

– Anthony OR 柯志明

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