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Ratio and proportion underpin many real-world problems from recipes to map scales. Students must simplify ratios, share amounts in a given ratio, and solve proportion problems using the unitary method or scale factors.
Our tutors see these errors again and again. Knowing them in advance gives you a head start.
Dividing by the wrong total number of parts when sharing in a ratio
Confusing ratio (part to part) with fraction (part to whole)
Not converting units before comparing ratios
This topic is tested by the following exam boards. Our tutors are specialists in each one.
Direct proportion describes relationships where one quantity increases at the same rate as another. Higher-tier students work with algebraic representations including y is proportional to x squared or x cubed.
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Take our free diagnostic quiz to find out exactly where you stand, then get matched with a tutor who specialises in ratio, proportion & rates of change.