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1 Angles 1 – What is an angle? Click the mouse. Click the mouse only when you see ‘Click the mouse’. Otherwise you will miss some of the dynamic bits.

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Presentation on theme: "1 Angles 1 – What is an angle? Click the mouse. Click the mouse only when you see ‘Click the mouse’. Otherwise you will miss some of the dynamic bits."— Presentation transcript:

1 1 Angles 1 – What is an angle? Click the mouse. Click the mouse only when you see ‘Click the mouse’. Otherwise you will miss some of the dynamic bits. Tandi Clausen-May Teaching Maths to Pupils with Different Learning Styles London: Paul Chapman, 2005

2 2 Click the mouse. a n g l e An angle is a measure of turn.

3 3 A whole turn. Click the mouse to see a whole turn. Click the mouse.

4 4 A half turn. Click the mouse to see a half turn. Click the mouse.

5 5 A quarter turn. Click the mouse to see a quarter turn. Click the mouse.

6 6 A quarter turn is a right angle. Click the mouse to see a quarter turn right angle. Click the mouse.

7 7 A half turn is a straight angle. Click the mouse to see a half turn straight angle. Click the mouse.

8 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 9 An acute angle is less than a quarter turn. Click the mouse to see a one sixth turn acute angle. Click the mouse. For example, a one sixth turn is an acute angle.

10 10 An obtuse angle is more than a quarter turn, but less than a half turn. Click the mouse to see a one third turn obtuse angle. Click the mouse. For example, a one third turn is an obtuse angle.

11 11 A reflex angle is more than a half turn. Click the mouse to see a two thirds turn reflex angle. Click the mouse. For example, a two thirds turn is a reflex angle.

12 12 Now watch Angles 2 – Measuring angles


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