Number and algebra Financial mathematics A
Solves financial problems involving simple interest, earning money and spending money (MA5-FIN-C-01) Solve problems involving earning money Solve problems involving simple interest Solve problems involving spending money
Working mathematically
Develops understanding and fluency in mathematics through exploring and connecting mathematical concepts, choosing and applying mathematical techniques to solve problems, and communicating their thinking and reasoning coherently and clearly (MAO-WM-01)
© Oxford University Press 2024 Oxford Maths 9 Stage 5 NSW Curriculum Teacher obook pro ISBN 9780190342722. Permission has been granted for this page to be photocopied within the purchasing institution only. Note: content in grey is covered in Oxford Maths 10 Stage 5 NSW Curriculum NSW Mathematics K–10 Syllabus © NSW Education Standards Authority for and on behalf of the Crown in right of the State of New South Wales, 2022.
Oxford Maths 9 Chapter 1 Financial mathematics Section 1 Chapter opener
Inter-year links Videos
1A Wages and salaries
Year 8: 3C Mark-ups and discounts Year 10: 1A Earning money
1B Other forms of income
Year 7: 4H Calculating percentages Year 8: 3B Calculating percentages Year 10: 1A Earning money
Key content video: Wages and salaries Example 1A.1 Example 1A.2 Example 1A.3 Example 1A.4 Key content video: Commissions, piece work and royalties Example 1B.1 Example 1B.2 Example 1B.3
Interactive skillsheets Equivalent fractions Multiplying and dividing decimals Rounding decimals Calculating percentages Wages and salaries
Commission, piece work and royalties
Investigations
Online assessments Chapter 1 pre-test
1A topic quiz
1B topic quiz
© Oxford University Press 2024 Oxford Maths 9 Stage 5 NSW Curriculum Teacher obook pro ISBN 9780190342722. Permission has been granted for this page to be photocopied within the purchasing institution only. Note: content in grey is covered in Oxford Maths 10 Stage 5 NSW Curriculum NSW Mathematics K–10 Syllabus © NSW Education Standards Authority for and on behalf of the Crown in right of the State of New South Wales, 2022.
Additional resources
Section 1C Taxation
1 Checkpoint 1D Budgeting and spending money
1E Simple interest
Inter-year links Year 7: 4D Multiplying decimals Year 8: 2F Multiplying and dividing decimals
Videos Key content video: Taxation Example 1C.1 Example 1C.2
Interactive skillsheets Income tax
Year 7: 1D Multiplying whole numbers Year 8: 1C Multiplying and dividing whole numbers Year 7: 6C Terms, expressions and equations Year 8: 6A Equations Year 10: 1B Simple interest
Key content video: Payment options Key content video: Budgeting Example 1D.1 Example 1D.2
Payment options
Key content video: Simple interest Example 1E.1 Example 1E.2
Calculating simple interest
Investigations
Short-term loans
Online assessments 1C topic quiz
Additional resources
1 Checkpoint quiz 1D topic quiz
1E topic quiz
© Oxford University Press 2024 Oxford Maths 9 Stage 5 NSW Curriculum Teacher obook pro ISBN 9780190342722. Permission has been granted for this page to be photocopied within the purchasing institution only. Note: content in grey is covered in Oxford Maths 10 Stage 5 NSW Curriculum NSW Mathematics K–10 Syllabus © NSW Education Standards Authority for and on behalf of the Crown in right of the State of New South Wales, 2022.
Worksheet: Calculating simple interest
Section 1F Simple interest calculations
1 Chapter review
Inter-year links Year 7: 6H Solving equations using inverse operations Year 8: 6D Changing the subject of a formula Year 10: 1B Simple interest
Videos Key content video: Simple interest calculations Example 1F.1 Example 1F.2 Example 1F.3
Interactive skillsheets Calculating simple interest rate Calculating the number of time periods for an investment Calculating the principal by simple interest formula
Investigations What percentage interest are you really paying?
Online assessments 1F topic quiz
Additional resources
1 Chapter review quiz
Quizlet Chapter 1 Class test A Chapter 1 Class test B
© Oxford University Press 2024 Oxford Maths 9 Stage 5 NSW Curriculum Teacher obook pro ISBN 9780190342722. Permission has been granted for this page to be photocopied within the purchasing institution only. Note: content in grey is covered in Oxford Maths 10 Stage 5 NSW Curriculum NSW Mathematics K–10 Syllabus © NSW Education Standards Authority for and on behalf of the Crown in right of the State of New South Wales, 2022.