# number line

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## number line

[′nəm·bər ‚līn]
(mathematics)
References in periodicals archive ?
This is a more abstract, and general, understanding of the meaning of -3 than when it is represented as a specific number of chips or as a specific location on the number line.
Here it is argued that manipulatives such as counters may be used as a means of stimulating thinking about abstract mathematical concepts, such as the relative position of consecutive numbers and variable quantities on the number line (e.
With the chicks, she says, the researchers focused on whether any kind of mental number line would show up at all, regardless of direction.
Thus, the number line may have functioned as a motivating operation by altering the effectiveness of escape as a reinforcer.
But our work shows that there are meaningful human ideas in math, ingenious solutions and designs that have been mediated by writing and notational devices, like the number line.
Thus, SNARC-like effects could arise at an early space-related number representation by the congruency/incongruency between the side in which the digits were presented and their relative location in the mental number line.
She, too, slides her fingers across the number line and matter-of-factly describes a different answer than Katherine.
This study solves a problem on the distribution of rational numbers along the number plane and number line.
Every year some students struggle with the concept of number lines, in particular how a number line can be used to add and subtract.
Visual processing problems, for example, could lead to children losing their places when using the textbook, confusing numbers like 15 for 51, and using a number line in reverse.
Professor X quickly zips up the number line from 1 to 10 to 100, 1,000, 10,000, 100,000, 1,000,000, and he's just getting started.

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