NUMBERLINE

Number line

In basic mathematics, a number line is a picture of a straight line on which every point is assumed to correspond to a real number and every real number to a point. Often the integers are shown as specially-marked points evenly spaced on the line. Although this image only shows the integers from −9 to 9, the line includes all real numbers, continuing forever in each direction, and also numbers not marked that are between the integers. It is often used as an aid in teaching simple addition and subtraction, especially involving negative numbers.

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number line

Noun

  1. A line that graphically represents the real numbers as a series of points whose distance from an origin is proportional to their value


The above text is a snippet from Wiktionary: number line
and as such is available under the Creative Commons Attribution/Share-Alike License.

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