What you can learn in this unit

  • Some ideas on how best to use manipulatives to allow your students to help them understand the ideas of composition and decomposition.
  • Effective ways to teach students to add and subtract numbers with more than one digit.
  • How to observe how your students talk about mathematics in order to identify their misconceptions and to help you shape your teaching around their learning.

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

What this unit is about

1 Composition and decomposition