It may be natural to think of Daniel Tammet’s skills as something of a parlor trick. Ask him any number cubed, and he’ll come up with the calculation. Ask him to master a language, and he’ll do so in ...

The leading zero before a decimal point assists users in recognizing decimal numbers less than one. Without the leading zero a cursory look at a series of digits could easily overlook the small ...

Jake Barnett is a math prodigy who, as a 12-year-old in 2012, was interviewed by the news program 60 Minutes about the wild way he visualized numbers. YouTube channel Numberphile has taken a closer ...

Decimal values are parts of whole numbers, including tenths, hundredths and thousandths. You can add and subtract decimal numbers in the same way as whole numbers using place value charts. You can put ...