Education Technology

Relating Rates - IB

Activity Overview

Students are given a situation of water draining out of a cylindrical tank in order to explain the process of solving related rates questions.


  • Students will be introduced to related rates.
  • Students will use differentiation, including implicitly, to apply related rates to real world situations.
  • Students will try to make a connection with how to understand these topics in IB Mathematics courses and on their final assessments.


  • Related Rates
  • Differentiation
  • Implicit
  • Rate of Change