1.7
Ratio & proportion
Ratio notation, divide in a ratio, direct & inverse proportion, word problems.
Syllabus Statements
- Use ratio notation, including reduction to its simplest form and its various links to fraction notation
- Divide a quantity in a given ratio or ratios
- Use the process of proportionality to evaluate unknown quantities
- Calculate an unknown quantity from quantities that vary in direct proportion
- Solve word problems about ratio and proportion
1.7.1 Simplifying & Equivalent Ratios
Corbett Maths · Video
Ratio Video
Corbett Maths · Video
Writing and Simplifying Ratio Video
1.7.2 Sharing in a Ratio
1.7.5 Unitary Method & Best Buys
Corbett Maths · Video
Best Buy Questions