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).

Mastering integers, fractions, decimals, surds, and indices is crucial for excelling in the Quantitative Aptitude section of the CAT exam. A strong command over these fundamental mathematical concepts ...

For many elementary teachers, fractions have traditionally sprung to mind lessons involving pizzas, pies, and chocolate bars, among other varieties of “wholes” that can be shared. But in what many ...

Under the Common Core State Standards in mathematics, fractions instruction extends across grades 3 through 6, with operations being taught after students have a firm understanding of where fractions ...