About this topic
Before you begin
Represent ratios with equal-sized units, divide an amount into shares and solve problems where a ratio changes.
Learning goals
- Write the ordered ratio of given quantities
- Find quantities from a ratio and a known part or difference
- Write a different equivalent whole-number ratio
- Express a whole-number ratio in simplest form
- Find a missing term in equivalent whole-number ratios
- Express a ratio part as a fraction of the whole
- Express a part-to-whole fraction as a part-to-rest ratio
- Share a quantity in a specified ratio
Syllabus statements covered
- Notation, representations and interpretation of a:b and a:b:c, where a, b and c are whole numbers, excluding ratios involving fractions and decimals
- Equivalent ratios
- Dividing a quantity in a given ratio
- Expressing a ratio in its simplest form
- Finding the ratio of two or three given quantities
- Finding the missing term in a pair of equivalent ratios
- Relationship between fraction and ratio
Choose a lesson
Work through them in order.