Home of real teaching & learning
  • Full support for teachers
  • Focus on critical thinking
  • Engaging classroom activities
  • Integrated student eBook
  • Assessed tasks / qBank
  • Practice exam questions

The InThinking Guarantee: Our sites are written by expert practitioners and not by AI

See our AI policy

Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.

Don't miss out, find out!

In the money

'Seconds to make up your mind! - Have fun with this hypothetical problem of sequences' A long lost relative wants to share their fortune with you! There are 4 different options about how to receive your money in yearly installments. Each one starts with a different amount that changes each year according to a given rule. You are given 2 minutes to make your choice only! Having made your choice, investigate the 4...


Tags: SL, geometric, sequences, arithmetic, activity

Help