Find a percentage of an amount both with and without a calculator. You'll need paper, pencil and a calculator.
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Learning at home resources
This page lists lessons for students learning at home. You can use the check boxes below to filter the list of lessons.
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Year 9
Percentage calculations
Mathematics lesson 16 for year 9 (Series 1)
Percentage calculations – increase and decrease
Mathematics lesson 17 for year 9 (Series 1)
Recall how to conduct percentage calculations, including percentage increase and decrease. You'll need paper, pencil and a calculator.
Review of percentage calculations
Mathematics lesson 18 for year 9 (Series 1)
Review percentage calculations. You'll need paper, pencil and a calculator.
Simple interest – what is interest?
Mathematics lesson 19 for year 9 (Series 1)
Learn about simple interest and how to calculate the simple interest and the total amount earned. You'll need paper, pencil and a calculator.
Simple interest – developing the simple interest formula and the total amount
Mathematics lesson 20 for year 9 (Series 1)
Develop the simple interest formula, use the simple interest formula and find the total amount. You'll need paper, pencil and a calculator.
Find the total amount and monthly repayments
Mathematics lesson 21 for year 9 (Series 1)
Use the total amount formula and calculate monthly repayments. You'll need paper, pencil and a calculator.
Simple interest and problem solving
Mathematics lesson 22 for year 9 (Series 1)
Use simple interest formula and total amount formula to solve problems. You'll need paper, pencil and calculator.
Review and consolidate ratio and indices
Mathematics lesson 23 for year 9 (Series 1)
Review and consolidate ratios and indices. You'll need paper, pencil and calculator.
Review of scientific notation, significant figures and percentage calculations
Mathematics lesson 24 for year 9 (Series 1)
Review and consolidate scientific notation, significant figures and percentage calculations. You'll need paper, pencil and calculator.
Review of simple interest
Mathematics lesson 25 for year 9 (Series 1)
Review and consolidate simple interest. You'll need paper, pencil and calculator.
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Visit protect yourself online: a guide to cyber security for young people to learn more.
Copyright statement
The Department for Education, South Australia, has created teaching and curriculum resources to support students during the staged return to school in 2022.
The resources are available for students, parents and teachers in South Australia, where students are undertaking remote learning.
The material has been produced and communicated on behalf of the State and, to the extent necessary, in reliance on section 113P and/or Part VII of the Copyright Act 1968 (Cth).
If you believe you own or otherwise have an interest in the copyright in any aspect of these materials and object to its use, please notify education.customers@sa.gov.au.
