The decimal point appears to have been first used in the 1440s, a century and a half earlier than initially assumed. U.S. ... a math historian at Trinity Western University, ...

It's another fun-filled decimal day in math park, let's get started. - Look at that. It's a bar that's been cut into 10 equal parts and three of those those parts are shaded red.

Decimals Math Riddles for Students: Find the Number in 35 Seconds. The above math riddle on decimals has been confounding the internet, and even math geniuses have failed to solve it.

Learn how to convert decimals to percentages with BBC Bitesize Maths. For students between the ages of 11 and 14.

Understand rational and irrational numbers. Know that a rational number can be written as a fraction or decimal (for example: ½, 0.5, 2, or -2), but that an irrational number – for example, the ...