you solve the problem in your head with no help from calculators or number lines ect..
calculating mentally, usually arithmetic
In other words, do the math in your head, not on paper.
compatible number
use mental math
What does length mean in math
calculating mentally, usually arithmetic
In other words, do the math in your head, not on paper.
IT'S MENTAL math
It means you need to carry out the calculation in your head - without using a calculator or writing anything down.
vedic maths
Mentally capable means if you are up to it mentally and if your mind can comprehend it.
mentally disabled
It means hurt in your mind and your body.
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To be mentally tough means to be tough to the mind.
what does it mean to be healthy mentally
Intelligent