I’m sure most people can remember trying to master a certain maths rule or procedure in primary or secondary school.
My elderly mother has a story about a time her father was helping her with arithmetic homework. She remembers getting upset because her father did not do it “the school way”. I suspect her father was able to do the calculation mentally rather than the school way, which was to use the vertical algorithm.
Authors: Cath Pearn, Senior Research Fellow, Australian Council for Educational Research