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!

Topic 5 - Trees

The topic “Trees” covers the operation of trees, both binary and non-binary. It includes defining terms related to a binary tree such as parent, left-child, right-child, subtree, root, and leaf. The result of inorder, postorder, and preorder tree traversal is discussed. Students are expected to sketch diagrams showing the resulting binary tree after adding a new data item, adding one or more new nodes, and/or...

Help