arithmetically
arithmetically — adverb
1. using the basic operations of arithmetic — adding, subtracting, multiplying, and
using the basic operations of arithmetic — adding, subtracting, multiplying, and dividing — when working with numbers, quantities, or data.
Amihan solved the problem arithmetically before checking her answer with a calculator.
verb + arithmetically for method
The survey data was processed arithmetically to produce the average age of the participants.
passive: data + processed arithmetically
Andrés explained the household budget arithmetically, showing how each expense affected the total.
If we look at the population figures arithmetically, the town has grown by roughly two hundred people each year.
Nikos thought about the recipe arithmetically, doubling every ingredient when he cooked for twelve guests.
- numerically
broader — refers to any work with numbers, not just basic operations
- mathematically
more general — includes algebra, geometry, and advanced methods
- by calculation
everyday equivalent, less formal
文法句型
verb + arithmetically
arithmetically + past participle
consider/look at + something + arithmetically
用法筆記
Common in academic or technical writing to describe a numerical method or approach. Less common in everyday conversation, where phrases like 'in your head' or 'using basic maths' are preferred.
常見錯誤
arithmetically — noun
1. the area of mathematics that focuses on adding, subtracting, multiplying, and di
the area of mathematics that focuses on adding, subtracting, multiplying, and dividing numbers, along with the relationships between them.
In primary school, children learn the basics of arithmetic before moving on to algebra.
the basics of arithmetic
Takeshi struggled with arithmetic at first but later became skilled at advanced mathematics.
Arithmetic is one of the oldest branches of mathematics, used for counting and measuring since ancient times.
Eve reviewed the rules of arithmetic with her younger cousin the night before his exam.
- mathematics
much broader field that includes arithmetic as one part
- computation
focuses on the act of calculating rather than the field of study
- number work
informal term, common in primary-school contexts
文法句型
arithmetic + is/was
the + basics/rules/principles + of + arithmetic
adjective + arithmetic
用法筆記
When referring to the school subject or field of study, no article is used ('studying arithmetic'). When referring to the mathematical operations within a specific context, 'the' may appear ('the arithmetic involved in this problem').
常見錯誤
2. the process of performing calculations with numbers, such as adding up costs, wo
the process of performing calculations with numbers, such as adding up costs, working out totals, or checking whether a sum is correct.
Ilan did the arithmetic in his head and realised the restaurant bill was wrong.
did the arithmetic
Simple arithmetic told Zola that buying in bulk would save her family almost two hundred dollars a year.
The cashier checked the arithmetic on the receipt and apologised for the mistake.
Sirin did some quick arithmetic on a napkin and discovered they had enough money for the deposit.
- calculation
interchangeable in most contexts; 'calculation' is slightly more formal
- computation
more technical; often used in computing and data contexts
- sums
informal, common in British school-language ('doing sums')
- reckoning
less common; suggests estimation rather than exact calculation
文法句型
do + the + arithmetic
check + (the/your) + arithmetic
adjective + arithmetic
用法筆記
This sense is almost always used in phrases like 'do the arithmetic' or 'check the arithmetic'. Unlike sense 1, it emphasises the practical act of calculating rather than the mathematical field.