Polygon Explorer – Visnos Create and manipulate polygons, examine how the interior and exterior angles change as the number of sides increase. Drag vertices, use a protractor or ruler to measure angles and length properties
Basic Angles Learn to recognise acute, obtuse, reflex and right angles. Create and investigate problems involving complementary or supplementary angles, intersecting lines and angles at a point. Angles can be automatically displayed or measured using a protractor
Position the protractor over the angle, read the scale, zoom in. Browser refresh will get rid of login box .
Giant protractor measuring angles – classic resource
Measuring angle, right angle, acute angles and obtuse angles (Key Stage 2)
Match drawn angle picture with size of angle in degrees Yr5 & 6
Match bearings (360 degrees) with compass diagram in this Pelmanism game Yr 5 & 6
Demondtrate angles with protractor to 1, 5 or 10 degrees. Estimate angles – Acute, Obtuse or either, Protractor on or off.