Investments
Simple and compound interest, future and present value, interest graphs, appreciation and inflation.
Active lessons
6
Status
Active
Lesson flow
Learn -> Guided Practice -> Independent Practice -> Mastery Quiz
How to use this unit
- Start from lesson 1 and move through the pathway in order.
- Use guided practice before attempting independent practice.
- Mastery quizzes check whether the skill is ready for review or extension.
Unit pathway
Lesson pathway
6 of 6 active
Lesson 1
3A Simple Interest
Calculate simple interest with I = Prn, find the total amount, and rearrange for a rate or time.
Lesson 2
3B Simple Interest Graphs
Interpret straight-line graphs of simple-interest growth: principal as the y-intercept, yearly interest as the gradient.
Lesson 3
3C Compound Interest — Future Value
Calculate compound investment balances, interest earned, growth factors, and net returns after fees.
Lesson 4
3D Compound Interest — Present Value
Find the present value to invest now to reach a future amount using P = A ÷ (1 + r)ⁿ.
Lesson 5
3E Compound Interest Graphs
Interpret compound-interest balance curves and compare them with the straight line of simple interest.
Lesson 6
3F Appreciation and Inflation
Apply compound growth to appreciating assets and to rising prices under inflation.
Part of the Online Learning Package
Unit previews stay public, while individual lessons require active online learning access.