Unit 1: Number and Algebra
Topic 1.4: Financial Mathematics Questions
Practice 10 exam-style questions for IB Math AA SL Topic 1.4. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1Find3 marks
2026• Aimnova practice — 1.4.2
A car is worth $32 000 and depreciates by 14% each year.
Markscheme and model answer locked
Unlock Question2Find4 marks
2026• Aimnova practice — 1.4.3
An investment of $6000 earns 5.5% per year, compounded annually. Find the number of whole years before it first exceeds $9000.
Markscheme and model answer locked
Unlock Question3Find4 marks
2026• Aimnova practice — 1.4.1
$4000 is invested at 6% per year, compounded monthly. Find the value after 5 years, to the nearest dollar.
Markscheme and model answer locked
Unlock Question4Find4 marks
2026• Aimnova practice — 1.4.1
$2000 is invested at 8% per year, compounded quarterly.
Markscheme and model answer locked
Unlock Question5Find4 marks
2026• Aimnova practice — 1.4.1
On Paper 1 (no calculator), a binomial expansion lets you evaluate a compound-interest amount by hand.
Markscheme and model answer locked
Unlock Question6Find4 marks
2026• Aimnova practice — 1.4.3
$8000 is invested at 4.5% per year, compounded monthly. Find the number of whole years before the investment first exceeds $10 000.
Markscheme and model answer locked
Unlock Question7Find4 marks
2026• Aimnova practice — 1.4.3
$5000 is invested at a nominal annual rate of r% compounded quarterly. After 4 years it is worth $6500. Find r, to two decimal places.
Markscheme and model answer locked
Unlock Question8Find4 marks
2026• Aimnova practice — 1.4.1
Maria invests $6000 at 3.5% per year, compounded half-yearly. Find the interest she earns after 6 years, to the nearest dollar.
Markscheme and model answer locked
Unlock Question9Find3 marks
2026• Aimnova practice — 1.4.2
The value of a machine is modelled by V = 45 000(0.88)ᵗ dollars, t years after purchase.
Markscheme and model answer locked
Unlock Question10Find4 marks
2026• Aimnova practice — 1.4.3
$12 000 invested for 5 years, compounded monthly, grows to $15 000. Find the annual interest rate r, to two decimal places.
Markscheme and model answer locked
Unlock QuestionReady to practice Topic 1.4?
Get instant AI feedback on your answers, view detailed markschemes, and track your progress across all IB Math AA SL topics.