David H. Bailey does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Puzzles one louder than ten ...

Last year, a Japanese mathematician and a U.S. grad student smashed the world record for calculating the value of Pi. After a manic 371 days of computing, Shigeru Kondo and Alexander Yee reached 10 ...

There’s really no such number as “point three seven five.” Yet that’s how a lot of students say .375, and a big reason for this is that’s how a lot of teachers say it--including me until I realized ...

Speaker: Not all numbers are whole numbers. Decimals are numbers that are between two whole numbers. So 1.4 is between 1 and 2. A decimal that starts with a 0 before the decimal point is less than 1.

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 ...

To multiply decimals by 10, 100, and 1000, use place value labels. Write the digits of the decimal using place value labels. Start with the first non-zero digit. To multiply by 10 move each digit one ...