• Podcast

Using number lines in Key Stage 1

Five ways to use a number line for maths in Years 1 and 2

Using number lines in Key Stage 1
  • Published: 21/02/2022

The NCETM's Director for Primary Mathematics, Debbie Morgan, suggests a progression of five different number lines to help children build understanding of the relationships between numbers from 1 to 20. In the discussion, she suggest ways for teachers to draw out pupils' reasoning skills, use of language and the beginning of understanding proportion.

A transcript (PDF) of this episode is available to download.

Show notes

Taking part in the discussion are:

  • Debbie Morgan, NCETM Director for Primary Mathematics
  • Steve McCormack, NCETM Communications Director

Useful links


This is the drawing Debbie and Steve referred to during their conversation. Click to enlarge.

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