"' Why is it good to be able to calculate using mental math? (5)"

blog : 11-Feb-2022

In Japan, most school education of calculation in math lesson is based on the column method because it is necessary to teach many students equally. However, in order to lay the groundwork for children's future development, it is necessary to create an environment conducive to mental math.

Even in Hong Kong's local and international schools, the column method remains the norm, but some schools are promoting and teaching mental math. ESF Primary School, one of Hong Kong's leading international schools, has a policy of teaching mental math first to develop students' ability to manipulate numbers before teaching the column method. This is an admirable effort.