Ratio Proportion

Guides in this topic

• B Best buys and value for money 1 guide Compare prices per item or per unit.
• M Map scale for children 1 guide Use simple scales to connect drawings and real distances.
• M Model making and scale 1 guide Use toy boats, buildings or figures to introduce scale factors.
• P Proportion in everyday life 1 guide Spot proportion in maps, recipes, models, photos and prices.
• R Ratio and fractions 1 guide Connect part-to-part ratios with part-of-whole fractions.
• R Ratio for primary learners 1 guide Compare quantities using language such as 'for every' and 'to'.
• R Ratio misconceptions 1 guide Fix errors such as adding the same amount instead of multiplying by the same factor.
• R Ratio tables 1 guide Organise equivalent ratios in a simple table.
• R Ratio vocabulary 1 guide Explain ratio, proportion, scale, unit rate, equivalent and for every.
• R Ratio with paint mixing 1 guide Use colour-mixing contexts to show proportional thinking.
• R Ratio with recipes 1 guide Scale ingredients up and down while keeping the same taste.
• S Scaling down quantities 1 guide Divide all parts of a situation by the same factor.
• S Scaling up quantities 1 guide Multiply all parts of a situation by the same factor.
• U Unit rate for children 1 guide Find the value for one item before scaling to many.