Mathematics ITP: Difference

This interactive teaching program (ITP) is an ICT-based tool to support the exploration of number. Difference ITP allows the child or teacher to compare two rows of beads and to analyse the calculations they can represent. It can be used to promote the language of addition and subtraction. The ITP operates as a series of animations which show how the rows of beads can be represented by two number lines and then as a single number line with the difference indicated by a ‘jump’. The application (in a variety of formats) and guidance for using the application (as PDF or Word file) can be downloaded from this page.

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