Borrowing and Debt
Today I can work out how interest adds to a loan and why debt can grow.
A Look back3 min
- 1.
A class has £10 to spend on an event. Paper costs £4. How much is left?
- 2.
Ali has £5. Which one is a need, not a want?
breada new gamea sticker book - 3.
A town pays for its roads, parks and schools. What is this kind of spending called?
public servicespocket moneyinterest
B Watch me, then you4 min
Ali borrows £20 from a lender. After one year, the lender adds £2 extra. That extra money is called interest. How much does Ali owe in total?

Ali borrowed £20. The lender adds £2 interest.
20 + 2 = 22
Ali owes £22 in total.
- 1.
Mia borrows £40. After one year she owes £4 extra. How much does she owe in total?
C Your turn6 min
Each loan adds extra money after one year. Find the total Ben owes.
- 1.
Ben borrows £10. After one year he owes £1 extra. How much in total?
- 2.
Ben borrows £20. After one year he owes £2 extra. How much in total?
- 3.
Ben borrows £50. After one year he owes £5 extra. How much in total?
- 4.
Ben owes £55 in total. He pays back £20. How much does he still owe?
Say it out loud: Which loan had the biggest extra? If Ben pays nothing back, the lender adds interest again next year. What happens to his debt?
D Spot the mistake3 min
- 1.
How much does Kit really owe after one year?
E Think deeper4 min
Sort these cards. You will never be in trouble for telling a trusted grown-up about a loan offer that worries you.

- 1.
Write each card in the right column. Use the second column for things to stop and talk to a grown-up about.
Asking the total cost before saying yesSaving coins in a jar for a treatTaking a loan from a stranger onlinePaying back early to save interestKeeping a loan secret from homeGood money habit Ask a grown-up first
How did it feel?1 min
Look at the weather scale. Think about how it feels to learn that a small loan can grow.