Quick-and-dirty math that enables you to work out a reasonable or sensible answer to a calculation on the fly.
Mental math is one of those underused life skills, which will free you from relying on a calculator, or even protect you from being taken advantage of by dishonest marketeers.
mental math: define #2
When an unhealthy number of patients in a mental hospital are ex-math teachersÃ¢ÂÂtheir health condition is arguably triggered by unrealistic demands from their schoolÃ¢ÂÂs head of department (HOD), the Ministry of Education (MOE), and their exam-smart, stony-hearted politicians.
If half of the patients in Singapore’s mental hospital are statistically ex-teachers, whatÃ¢ÂÂs the boast about Singapore math teachers being the Ã¢ÂÂworld’s bestÃ¢ÂÂ? Can mental math, which leads to the loss of dozens of lives, ever justify the countryÃ¢ÂÂs top rankings in international comparative studies like PISA and TIMSS?