Simple & Compound InterestThe difference, and how far apart they end up.MoneySimple interest is paid on the principal only.Compound interest is paid on the accumulated total.simple: P(1 + rt) · compound: P(1 + r)^t£1,000 at 5% for 10 years, simple£1,500£50 each year.The same, compound£1,629Interest earns interest.Over 30 years, compound£4,322The gap widens with time.THE COMMON MISTAKE✗ Assuming the difference is small✓ It grows exponentially with timeOver one year the difference is nil. Over thirty it is the majority of the total.Most savings and debt compound. Simple interest is now unusualoutside some fixed-term loans.Simple & Compound Interestlearnposters.com
Simple & Compound Interest — printable money wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the Simple & Compound Interest poster

The rule, 3 worked examples, and the mistake everyone makes.

Most savings and debt compound. Simple interest is now unusual outside some fixed-term loans.

Questions about the Simple & Compound Interest poster

What’s on the Simple & Compound Interest poster?
The rule, 3 worked examples, and the mistake everyone makes. Simple interest is paid on the principal only. Compound interest is paid on the accum…; simple: P(1 + rt) · compound: P(1 + r)^t; £1,000 at 5% for 10 years, simple = £1,500; The same, compound = £1,629; Over 30 years, compound = £4,322; Common mistake: Assuming the difference is small → It grows exponentially with time. Most savings and debt compound. Simple interest is now unusual outside some fixed-term loans.
Who is the Simple & Compound Interest poster for?
Simple & Compound Interest belongs to the Money section rather than to a school year, because money is not something one grade owns. Anyone learning growth can pin it up — a beginner, a student mid-course, or someone revising years later.
When should you use the Simple & Compound Interest poster?
Simple interest is linear. Compound interest curves, and the curve is the whole story. A wall chart earns its place by being glanceable from where the work is happening, so Simple & Compound Interest belongs on the wall where that money work actually happens, within glancing distance, rather than filed away.
What other posters go with Simple & Compound Interest?
Turning Savings into Income, APR & AER and Compound Interest sit alongside Simple & Compound Interest in the Money section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Turning Savings into IncomeAPR & AERCompound Interest
Is the Simple & Compound Interest poster free to download and print?
Yes. Simple & Compound Interest downloads as a free PDF with no account, no email and no watermark, like everything else in the Money section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Simple & Compound Interest poster print at?
Simple & Compound Interest is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Simple & Compound Interest loses nothing.Printing guide

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