"mental math" is a correct and commonly used phrase in written English.
It refers to the process of performing calculations in one's mind without the use of paper or a calculator. This term is often used in educational settings to describe exercises or activities that strengthen a person's ability to do mathematical calculations mentally. Example: "We started each day in math class with a round of mental math exercises to improve our basic arithmetic skills." Another example: "The math competition tested students' mental math abilities, challenging them to solve complex problems without any external aids."
They require more mental math (converting your running count to a true count mentally, calculating your advantage, betting according to your true advantage), and will take much longer to learn.
Williams wanted to bid, but her mental math couldn't keep pace with the auctioneer's patter.
And you may, as I did, find it helps you improve your own mental math abilities.
I don't think my husband spends his days doing the same mental math.
To improve my memory and enhance my other brain skills, I love doing mental math, logic and word puzzles.
With some large luxury buildings employing dozens of doormen, porters and handymen, the mental math can be daunting.
Mental Maths - When doing mental maths to figure out a tip total, it is easiest to simply look at the check's first primary number(s) and just multiply by 2, which is the gauge for 20% tip.
"We all have sort of a mental financial math where we splurge on the things we really love, and then we cheap out on the things we don't care about," Otter says.
This paper describes an experimental study on a large sample (n = 313), in which the role of anxiety and mental rotation on math sex-related differences under stereotype threat has been analyzed in the tradition of Aptitude Treatment–Interaction (ATI) designs.
Richard Wilkinson and Kate Pickett have shown that inequality produces a range of negative effects on society, from "physical and mental illness, violence, low math and literacy scores among young people" to "lower levels of trust and weaker community life, poorer child well-being, more drug abuse, lower social mobility and higher rates of imprisonment and teenage births".
The simple math about mental health in universities begs the question: Are we doing enough to make sure that every student is able to access the resources, tools, communities, and... how else do I say it?
