These are decimal numbers, and dots above some of the digits make them recurring decimals. One dot means the digit under it repeats infinitely. In other words, it goes on forever (and ever and ever).

A decimal number is any number made up of the digits 0 to 9. This can include whole numbers and numbers less than 1. You can use a decimal point to show which digits are whole numbers and which are ...

An elementary school teacher in Fort Worth, Texas, came up with a rap to teach math to his students, video from April 20 shows. Thomas Mayfield, who teaches at the Leadership Academy at Como ...