ZDM – Mathematics Education (2022) 54:1229–1241

https://doi.org/10.1007/s11858-022-01420-z

The publication of this article unfortunately contained mistakes. The funding note was missing. The funding note is given below.

The original data was collected as part of an ESRC funded small-grant project “Developing algebraic activity in a ‘community of inquirers’”, R000223044, start date I/10/99

The original article has been corrected.