This week’s topics
Using formulae
- Substituting numbers into a formula
- Order of operations
- The break-even formula
What you will be able to do
- 2.1 Substitute values into simple formulae (e.g. break-even).
Activity
Use the break-even formula for a school bake sale.
Study materials
Further resources
- Contemporary Mathematics, 3.3: Order of Operations · PDF · OpenStax Contemporary Mathematics (2023), 3.3: the order of operations, pp. 158–164 · for registered students
- College Algebra 2e, 2.3: Models and Applications · PDF · OpenStax College Algebra 2e (2021), 2.3: substituting into formulae to solve real problems, pp. 112–121 · for registered students
- Principles of Managerial Accounting, 3.2: Break-Even Point · PDF · OpenStax Principles of Accounting, Vol. 2: Managerial Accounting (2019), 3.2: the break-even formula in units and in money (a step up), pp. 124–134 · for registered students
- Perceiving precedence: order of operations errors are predicted by perception of equivale… · Open-access article · Bye et al. (2024), Journal of Numerical Cognition. Why students make order-of-operations errors when using formulae. · for registered students
Materials marked “for registered students” open in the student portal, which is set up as soon as you receive final acceptance.
