When a small group of dots appears, she subitizes them instantly, recognizing the number without counting.

The teacher praised the students for subitizing the dots on the flashcards during the activity.

She subitized the coins on the table before anyone else realized how many there were.

Researchers measured subitization by briefly showing participants small groups of dots and asking how many they saw.

During the experiment, participants were asked to subitize clusters of dots that were briefly flashed on the screen.

In his field notes, the linguist identified a subitive suffix that converts neutral verbs into forms denoting sudden or sharp actions.

In his dissertation on Uralic grammar, he argued that the subitive plays a distinct grammatical role as a verbal form denoting actions that occur suddenly or sharply.

Linguists debated whether the subitives should be listed separately in the grammar book.

In the classroom, subitizers could instantly tell how many dots were on the cards, astonishing their teacher.

The subitizer at the game table amazed everyone by instantly naming the total after a quick glance at the chips.