number line

(redirected from number lines)
Also found in: Encyclopedia.

number line

n.
A line that graphically expresses the real numbers as a series of points distributed about a point arbitrarily designated as zero and in which the magnitude of each number is represented by the distance of the corresponding point from zero.

number line

n
(Mathematics) an infinite line on which points represent the real numbers
References in periodicals archive ?
Number lines feature prominently in the Australian Curriculum: Mathematics (ACARA, 2015) and have a variety of applications including graphing, estimation, probability and statistics.
A study in 2009 found right-to-left number lines among Arabic speakers, who read words and numbers in that direction.
For these children it is reasonable to say that thinking on number lines has become a simulation of a sensorimotor process in which physical input and output has been decoupled.
WORD PROBLEMS: MASS AND VOLUME (9780778710813) pairs real-world problems with strategies to solving one-step world problems about mass and volume, TIME WORD PROBLEMS (9780778710776) teaches how to measure time intervals in minutes and how to represent time problems on a number line, LENGTH WORD PROBLEMS (9780778710790) teaches the basics of using drawings, symbols and number lines in real-world applications, and CALENDAR MATH (9780778710752) draws important links between calendars, counting, and math applications.
Contract notice: supply of number lines and mathematic boards.
Learning about fractions requires children to recognize that many properties of whole numbers are not true of numbers in general and also to recognize that the one property that unites all real numbers is that they possess magnitudes that can be ordered on number lines.
But the concept of number lines isn't human intuition.
Then between each whole number, infinite number lines exist because one can get smaller and smaller, infinite numbers between say 1 and 2.
Although we were aware of alternative approaches that offer particular benefits it was decided to use number lines as the basis for the lessons because (1) most of the contexts described above are represented in ways analogous to number lines, and (2) the lessons preceding those on negative numbers had involved working with number lines in relation to rational number operations.
He uses everyday examples and common sense to explain absolute value to antiparticles to associative property to binary systems and on to common denominators, division, fractions, graphing, irrational numbers, number lines, parallelograms, sampling, and variables.
Before they can add and subtract, they must understand the directionality of number lines.
Now phone our hotline 0901 562 8705 and leave your answer, name, address and phone number Lines close midnight on Tuesday, August 6.