The amount back matters
Goldie · 45 min
Goal: Compare amount borrowed with total amount repaid.
You need: fictional offers: A receive €12 now, repay €15 in one month; B receive €12 now, repay €4 each week for four weeks.
Lesson plan (45 min) + what pupils do+
Scenario
Offer A gives €12 now and requires €15 next month. Offer B gives €12 now and requires four weekly payments of €4. Compare total repayment and the extra amount paid.
45-minute flow
5m ask which offer sounds smaller; 8m model four payments of €4 = €16; 20m pairs mark amount received, amount repaid and extra cost for A and B; 8m discuss why a small instalment can hide a larger total; 4m exit: state total B.
What pupils do
- Extra cost A?
- Total B?
- Extra cost B?
- Which costs less under the stated terms and by how much?