Divide in a Given Ratio

Key Stage 3: Ratio, proportion and rates of change

• use ratio notation, including reduction to simplest form
• divide a given quantity into 2 parts in a given part:part or part:whole ratio; express the division of a quantity into 2 parts as a ratio
• understand that a multiplicative relationship between 2 quantities can be expressed as a ratio or a fraction
• relate the language of ratios and the associated calculations to the arithmetic of fractions and to linear functions