Using a number line and the expression ‘Imagine if …’: positive and negative numbers

What you can learn in this unit

  • Some ideas to help your students understand the difference between positive and negative numbers.
  • The role of saying ‘Imagine if …’ to trigger the imagination of your students when learning mathematics.
  • How to use a number line to understand positive and negative numbers.

This unit links to the teaching requirements of the NCF (2005) and NCFTE (2009) outlined in Resource 1.