sum

"It is not necessarily true that children get their morals from their parents."

"The computation of the total cost for the family vacation involved adding up the airfare, hotel expenses, and rental car fees. "

"My sister is very helpful, especially when it comes to organizing things. "

"The teacher provided a compendium of the main points after the long lecture. "

"To explain a chapter of the Bible."

"Her dedication to her studies earned her top grades in every subject. "

"The school's administrative staff handles student records and schedules. "

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

"The subtraction of 5 from 12 is 7. "

"The proposal to shorten lunch break faced several objections from the students. "

"The presentation about the new school rules was very clear and easy to understand. "

"The aggregation of student scores showed a significant improvement in math this year. "