Interest, Debt and CompoundingThe maths behind loans and savings — one formula pointing two ways.10th GradeSimple interest is charged only on the originalamount. Compound interest is charged on thebalance including previous interest.A = P(1 + r/n)^(nt)Simple: £1000 at 5% for 3 yrs£1150I = P × r × t. Interest never grows.Compound: same, yearly£1157.63Each year earns on the new balance.Over 30 years£4321 vs £2500The gap widens dramatically with time.On a debtit works against youCredit card interest compounds monthly.Compounding rewards starting early and punishes carrying debt. Samemaths, opposite sides.Interest, Debt and Compoundinglearnposters.com
Interest, Debt and Compounding — printable life skills wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the Interest, Debt and Compounding poster

The rule, 4 worked examples.

Compounding rewards starting early and punishes carrying debt. Same maths, opposite sides.

Questions about the Interest, Debt and Compounding poster

What’s on the Interest, Debt and Compounding poster?
The rule, 4 worked examples. Simple interest is charged only on the original amount. Compound interest is charged…; A = P(1 + r/n)^(nt); Simple: £1000 at 5% for 3 yrs = £1150; Compound: same, yearly = £1157.63; Over 30 years = £4321 vs £2500; On a debt = it works against you. Compounding rewards starting early and punishes carrying debt. Same maths, opposite sides.
Who is the Interest, Debt and Compounding poster for?
Interest, Debt and Compounding is filed under 10th Grade (ages 15–16), so it matches what that year asks a child to remember. It is equally useful to an older student revisiting life skills, and to the parent or teacher answering the question at the kitchen table.
When should you use the Interest, Debt and Compounding poster?
Run the compound interest formula on a credit card balance. It is a persuasive lesson. A wall chart earns its place by being glanceable from where the work is happening, so Interest, Debt and Compounding belongs on the wall where that life skills work actually happens, within glancing distance, rather than filed away.
What other posters go with Interest, Debt and Compounding?
Writing a Personal Statement, Standardised Test Strategy and Acids and Bases sit alongside Interest, Debt and Compounding in the 10th Grade set. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Writing a Personal StatementStandardised Test StrategyAcids and Bases
Is the Interest, Debt and Compounding poster free to download and print?
Yes. Interest, Debt and Compounding downloads as a free PDF with no account, no email and no watermark, like everything else in the 10th Grade set. 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 Interest, Debt and Compounding poster print at?
Interest, Debt and Compounding 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 Interest, Debt and Compounding loses nothing.Printing guide

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