number line

Ordered value diagram

A number line is a straight line on which points represent numbers at regular intervals, typically with zero at the center, positive numbers extending right, and negative numbers extending left.

It's a fundamental tool in mathematics education for visualizing addition, subtraction, and the relationships between numbers: Plot negative three on the number line.

values

integer

Number lacking fractions

positive · zero · rational · irrational · pi · square root · absolute value · opposite · reciprocal · terminating

visualization

axis

Rotation reference line

origin · arrow · horizontal · plot · coordinate · graph · ruler · spacing · labels · increments

ordering

sequence

Ordered succession of elements

position · placement · ranking · ascending · descending · between · inequality · relative · distance · magnitude

Categories
Opposites
dimensionality

number linecoordinate plane

Two-axis graphing system

Cartesian plane · complex plane · three-dimensional space · number grid · coordinate grid

representation type

number linetally marks

Strokes recording quantity

spreadsheet · matrix · equation

abstraction level

number linecounting blocks

Stackable math manipulatives

abacus · manipulatives

Family

line, number, lines, lined, numbers, lining, lineage, numbered, linear

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G