1. The part of mathematics that is concerned with the addition, subtraction, multiplication, and division of numbers. English = arithmetic.
2. Simple calculations in arithmetic. English = sums.
3. Particular amounts of something expressed as numbers that are written down. English = figures.
4. The job of keeping an accurate record of the money that is spent and received by a business or other organisation; or the person who does it. English = book-keeping, book-keeper, accountant.