Ratio

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Calculating with Ratios	Understanding the idea of 'parts'
	Simple dilutions and mixtures
	Scaling recipes up and down
	Equivalent forms and cancelling ratios
	Splitting amounts in a given ratio
	Direct proportion word problems
	Unitary ratios
	Ratios with decimals and fractions
Map Scale Calculations	Using scales like 2 cm to 1 km, 1 : 200 and 1 : 50,000.
	Calculating multipliers
	Effects of multiplying by numbers more or less than one.
Shapes	Enlarging shapes using a scale factor.

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