Module 4 OCR Revision

Topics pupils need

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Area of a triangle

Base multiplied by height. Half the answer.

Don't forget units

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Area of a Rectangle

Length x width

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Angles in a Triangle

Add up to 180 degrees

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Angles around a point

Add up to 360 degrees

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Opposite angles when 2 straight lines cross

These are always equal

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Changing percentages into decimals

Always divide by 100

73% = 0.73

25% = 0.25

30% = 0.3

7% = 0.07

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