uncommonly

"The new math homework was easily understood by the students. "

"He arrived home for two days."

"The teacher explained the new math concept quickly. "

"The weather was extremely hot today; we stayed inside all afternoon. "

"My sister is often late for school. "

"At this point, she seized the occasion to make her own observation."

"My sister earned a degree in psychology from the university. "

""Many students have problems understanding fractions." "

"My brother and I both attend the same high school. "

"The weather was unusually warm for November. "

"The math problem was difficult, but she quickly solves it. "

"Bald eagles are an uncommon sighting in this state"