Presentation on theme: "Angles 1 – What is an angle?"— Presentation transcript:
1 Angles 1 – What is an angle? Tandi Clausen-MayTeaching Maths to Pupils with Different Learning Styles London: Paul Chapman, 2005Click the mouse only when you see ‘Click the mouse’ .Otherwise you will miss some of the dynamic bits.Click the mouse.
2 An angle is a measure ofa n g l eturn.Click the mouse.
3 A whole turn.Click the mouse to see a whole turn.Click the mouse.
4 A half turn.Click the mouse to see a half turn.Click the mouse.
5 A quarter turn.Click the mouse to see a quarter turn.Click the mouse.
6 A quarter turn is a right angle. Click the mouse to see a quarter turn right angle.Click the mouse.
7 A half turn is a straight angle. Click the mouse to see a half turn straight angle.Click the mouse.
8 A three quarter turn is one size of reflex angle. Click the mouse to see a three quarter turn reflex angle.Click the mouse.
9 An acute angle is less than a quarter turn. For example, a one sixth turn is an acute angle.Click the mouse to see a one sixth turn acute angle.Click the mouse.
10 An obtuse angle is more than a quarter turn, but less than a half turn. For example, a one third turn is an obtuse angle.Click the mouse to see a one third turn obtuse angle.Click the mouse.
11 A reflex angle is more than a half turn. For example, a two thirds turn is a reflex angle.Click the mouse to see a two thirds turn reflex angle.Click the mouse.
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