This week’s topics
Calculating with percentages
- Finding a percentage of an amount
- Writing one number as a percentage of another
- Using a calculator well
What you will be able to do
- 1.1 Perform calculations involving fractions, decimals and percentages.
Activity
Work out percentages from real shop prices and exam scores.
Study materials
Further resources
- Prealgebra 2e, 6.2: Solve General Applications of Percent · PDF · OpenStax Prealgebra 2e (2020), 6.2: finding a percent of an amount and one number as a percent of another, pp. 482–488 · for registered students
- Contemporary Mathematics, 6.1: Understanding Percent · PDF · OpenStax Contemporary Mathematics (2023), 6.1: calculating with percentages, pp. 544–551 · for registered students
- The Study Skills Handbook, Confidence with numbers: Calculating percentages · PDF · Cottrell, The Study Skills Handbook 5e, bonus chapter, calculating percentages step by step, pp. 228–229 · for registered students
- The role of metaphors in interpreting students' difficulties in operating with percentages · Open-access article · Giberti et al. (2023), European Journal of Science and Mathematics Education. Why students struggle to calculate with percentages, from national test data. · for registered students
Materials marked “for registered students” open in the student portal, which is set up as soon as you receive final acceptance.
