What is a ratio?
Click to explore updated revision resources for GCSE Maths: Equivalent ratios and simplifying ratios, with step-by-step slideshows, quizzes, practice exam questions, and more!
Ratios are used to show how things are shared. For example, the necklace in the image has a pattern of two red beads for every three yellow beads.
The ratio of red beads to yellow beads is \(2:3\).
Ratios can have more than two numbers for example, \(3:4:2\).
More guides on this topic
- NEW: Equivalent ratios and simplifying ratios
- NEW: Ratio and fractions, and sharing in a ratio
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- NEW: Percentage change
- NEW: Repeated percentage change, interest and exponential change
- NEW: Working with proportion
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- Percentages - OCR
- Direct and inverse proportion - OCR
