Children with dyscalculia often have difficulty understanding numerical quantity.
From the sciencedaily.com
Only the numerical quantity is used in the computation.
From the en.wikipedia.org
The surface area is another numerical quantity which should depend only on the surface itself, and not on how it is parameterized.
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Humans share with animals a language-independent system for representing numerical quantity, but number symbols have to be acquired throughout childhood.
From the sciencedaily.com
It must be distinguished from the numerical value of the quantity that occurs when the quantity is expressed in a particular unit.
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Hegel notwithstanding, quantity need not be numerical.
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Thus, for any quantity of D measured in Gy, the numerical value for H measured in Sv may be different.
From the en.wikipedia.org
Number system knowledge is the ability to relate a quantity to the numerical symbol that represents it, and to manipulate quantities and make calculations.
From the sciencedaily.com
The basic math skill, number system knowledge, is the ability to relate a quantity to the numerical symbol that represents it, and to manipulate quantities and make calculations.