Understanding That Two Rows of Six Pennies Are Equal in Number

question 132

Short Answer

Understanding that two rows of six pennies are equal in number, even if one row is flat and the other is stacked up, is an example of _________.

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Definitions:

Congenital Hypothyroidism

A condition present at birth where the thyroid gland doesn't produce enough thyroid hormone, leading to growth and developmental delays.

Phenylketonuria

A genetic disorder characterized by an inability to metabolize the amino acid phenylalanine, leading to brain and developmental issues.

Phenylalanine

An essential amino acid that is a precursor to neurotransmitters including dopamine, norepinephrine, and epinephrine.

Phenylketones

Organic compounds containing a phenyl group attached to a ketone group, often discussed in the context of phenylketonuria, a metabolic disorder.