ones

"In math class, we learned that multiplication is a quick way to add the same number many times. "

"The apéritifs were particularly stimulating."

"The bacteria are multiplying quickly in the warm milk. "

""In the sentence 'Someone left a note,' the word 'someone' is an indefinite, because we don't know who left the note." "

"The impersonal "one" is often used in formal writing to avoid using "I" or "we." "

"a computer company that sells IBM compatibles"

"The teacher un-changed the grade, reverting it back to the original score. "

"Learning arithmetic helps children understand basic math concepts like counting and calculating. "

"Her childhood memories of playing hide-and-seek with her siblings were happy and vivid. "

"His exclamation of "Wow!" showed his surprise at the unexpected gift. "

"The university announced the admissions results for the fall semester. "

"My grandfather helped me with my math homework. "