User generates random angle, measures or draws angle with movable protractor and then checks answer!
Measure  Do All!  Draw  
Level 1  Clockwise angles to 180° by 5°  Level 1 
Screencast for MEASURE (soundless)

Level 2  Clockwise angles to 180°  Level 2  
Level 3  Counterclockwise angles to 180°  Level 3  
Level 4  Arbitrary angles to 180°  Level 4  
Level 5  Arbitrary angles 180°360°  Level 5  
Level 6  Arbitrary angles 0°360°  Level 6 
Metadata  Measuring & Drawing Angles with GeoGebra 
Brief  User generates random angle, measures/draws with movable protractor and checks answer. 
Grade  5 (or any time after the idea of angles and degrees has been introduced) 
Strand  Measurement and Geometry MG at Math247 
Standard  CA 5.MG.2.1 
Keywords  measure, angle, protractor, draw, dynamic, freeware, applet, offline, online 
Comments  Level 1  Measure or Draw is suitable for younger children 
Download  School (uses GeoGebra webstart) (with instructions)
Totally offline (2.5MB) (with instructions) 
Author  LFS  contact  website 
Type  Freeware  Available for Offline and Online Use  Translatable (html) 
Use  Requires sunJava player 
Related Topics
Up one level 
Categories: Measurement and Geometry  Angles