If have time, it's best to go in depth. They need to know how to
do the question on their own.
Anyway, please do not encourage them to use "short cuts", unless
is use calculator get answer. Workings have to show; got marks
one.
Arbo send your child to tuition centre, at home just supervise
your child do homework can already. :)
Tuition centre got their way of teaching. Some of them even have
proven results.