Formula Centre
Formula guides and key subject rules for every grade and subject, with worked examples and practice.
Grade 10 Economics essentials
Economics • Essential reference • Grade 10
When to use it
Use for a simple comparison of average output between economies.
Worked example
Divide total GDP by the population for the period.
Common mistakes
- Assuming GDP per capita measures income distribution.
Practice question
Explain what happens if GDP rises faster than population.
Grade 11 Economics essentials
Economics • Essential reference • Grade 11
When to use it
Use for a simple comparison of average output between economies.
Worked example
Divide total GDP by the population for the period.
Common mistakes
- Assuming GDP per capita measures income distribution.
Practice question
Explain what happens if GDP rises faster than population.
Grade 12 Economics essentials
Economics • Essential reference • Grade 12
When to use it
Use for a simple comparison of average output between economies.
Worked example
Divide total GDP by the population for the period.
Common mistakes
- Assuming GDP per capita measures income distribution.
Practice question
Explain what happens if GDP rises faster than population.