subitize etymology

Etymology and Origin:

• Subitize comes from the Latin verb "subitare," meaning "to rise suddenly."
• It was first used in English in the early 1900s to refer to the ability to recognize small numbers of objects (usually up to 4 or 5) at a glance without counting.

Meaning:

Subitize means:

• To perceive a small number of objects or events instantaneously, without the need for counting.
• To recognize the quantity of a small number of objects without counting, typically up to 5.

Usage:

Subitizing is a vital early mathematical skill that develops naturally in children. It supports numeracy and problem-solving abilities and forms the foundation for counting and other mathematical operations.

Examples:

• A child can subitize the number of fingers on their hand without counting.
• A driver can subitize the number of cars in a short line of traffic.
• A shopper can quickly estimate the number of apples in a small bag.

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