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 MISTAKEAssuming the difference is smallIt 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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