A secondary maths teacher explains the benefits of using algebra tiles, and shares some practical tips. A transcript (PDF) of this episode is available to download. Show notes Taking part in the discussion: Lizi Pepper, secondary maths teacher and KS3 maths lead at Tytherington School, and Secondary Mastery Specialist Becky Donaldson, NCETM Assistant Director for Secondary Beth Goodliff, Senior Communications Manager at the NCETM. Episode chapters 00:34 – Introductions 01:16 – The big picture: why use algebra tiles? 03:39 – Where to start with algebra tiles 09:09 – Evidence that they are impacting on students’ understanding 11:16 – A learning sequence 17:24 – Limitations and benefits of the tiles Useful links Lizi is @mathspeptalk on Twitter Becky is @donaldson_maths on Twitter Lizi’s blog is at https://mathspeptalk.blogspot.com/ NCETM feature: Completing the square NCETM resource: Using mathematical representations at KS3.