1. Cut out each of the question slides and place them around the room, stick them on the walls if you wish. Print out and distribute the answer sheet, one per pupil, or team, and set them off to find the answers. Yellow is the main task and green is an extension

2. Mathematical Treasure-hunt: Name: Answer Sheet Mathematical Treasure-hunt: Name: Answer Sheet

3. Mathematical Treasure-hunt: ? ? A bank pays interest on a savings account at a rate of 4.2% per year. Debbie pays £3,000 into a savings account, how much money will she have in her account after 5 years? A bank pays interest on a savings account at a rate of 6.7% per year. Darren pays £4,200 into a savings account, how much money will he have in her account after 12 years? £3685.19 £698.70

4. Mathematical Treasure-hunt: ? ? John pays £400 into a bank account paying interest at a rate of 3.4%. How much interest will he have earned after 10 years? A car is worth £12,000 when it is brand new. Each year it depreciates in value by 10%. How much will it be worth after 5 years? £9145.81 £158.81

5. Mathematical Treasure-hunt: ? ? A rabbit population is 64 rabbits in size, every year the population increases by 50%. How many rabbits will there be after 6 years? The value of a van is £3000 this year. Every year it depreciates in value by 15%. How much will it be worth in 2020? £7085.88 729

6. Mathematical Treasure-hunt: ? ? Mike pays £200 into an account paying a rate of 2.5% interest. After 5 years Mike finds a better account paying a rate of 2.65% interest. How much money will Mike have in his account after 12 years? Issy has a credit card bill of £230. She has to pay interest on her credit card of 14.9% per month. If she does not pay any money off her credit card for 8 months, how much will she owe? £961.73 £271.75