C1 adverb Formal

arithmetic

/ˌær.ɪθˈmet.ɪ.kəl.i/

In a manner that relates to the branch of mathematics dealing with the properties and manipulation of numbers. It specifically describes processes carried out using addition, subtraction, multiplication, or division.

Examples

3 of 5
1

He arithmetically calculated the split for the dinner bill in his head.

He arithmetically calculated the split for the dinner bill in his head.

2

The projections were arithmetically derived from the census data provided by the state.

The projections were arithmetically derived from the census data provided by the state.

3

If you look at it arithmetically, we just can't afford two vacations this year.

If you look at it arithmetically, we just can't afford two vacations this year.

Word Family

Noun
arithmetic
Adverb
arithmetically
Adjective
arithmetical
Related
arithmetician
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Memory Tip

Remember 'arithmetic' + 'ally'. Your numbers are your 'ally' when you calculate something 'arithmetically' to find the truth.

Quick Quiz

The total was ________ correct, but the accountant had forgotten to include the tax.

Correct!

The correct answer is: arithmetically

Examples

1

He arithmetically calculated the split for the dinner bill in his head.

everyday

He arithmetically calculated the split for the dinner bill in his head.

2

The projections were arithmetically derived from the census data provided by the state.

formal

The projections were arithmetically derived from the census data provided by the state.

3

If you look at it arithmetically, we just can't afford two vacations this year.

informal

If you look at it arithmetically, we just can't afford two vacations this year.

4

The series progresses arithmetically, with a constant difference between consecutive terms.

academic

The series progresses arithmetically, with a constant difference between consecutive terms.

5

While the plan is arithmetically sound, it fails to account for market volatility.

business

While the plan is arithmetically sound, it fails to account for market volatility.

Word Family

Noun
arithmetic
Adverb
arithmetically
Adjective
arithmetical
Related
arithmetician

Common Collocations

arithmetically sound mathematically correct/logical
arithmetically derived calculated through numbers
increase arithmetically grow by adding a constant amount
arithmetically possible achievable through calculation
arithmetically calculated determined through math

Common Phrases

arithmetically speaking

from a mathematical perspective

arithmetically impossible

cannot happen according to the numbers

arithmetically correct

the math adds up correctly

Often Confused With

arithmetic vs mathematically

Mathematically is a broader term covering all math, while arithmetically specifically refers to basic number operations.

arithmetic vs geometrically

Geometrically often implies exponential growth, whereas arithmetically implies linear growth by addition.

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Usage Notes

This adverb is typically used in academic or formal contexts to specify that a conclusion is based strictly on number calculations rather than theory or qualitative judgment.

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Common Mistakes

Learners often use the noun 'arithmetic' when they should use the adverb 'arithmetically' to describe how an action was performed.

💡

Memory Tip

Remember 'arithmetic' + 'ally'. Your numbers are your 'ally' when you calculate something 'arithmetically' to find the truth.

📖

Word Origin

Derived from the Greek 'arithmos' (number) and 'arithmetike tekhne' (the art of counting).

Grammar Patterns

Used to modify verbs of calculation (derived, calculated, determined). Used to modify adjectives (sound, correct, impossible).

Quick Quiz

The total was ________ correct, but the accountant had forgotten to include the tax.

Correct!

The correct answer is: arithmetically

Related Words

to

A1

Used to indicate the place, person, or thing that someone or something moves toward. It can also mark the recipient of an action or the limit of a range.

and

A1

A primary conjunction used to connect words, phrases, or clauses that are grammatically equal. It indicates addition, a sequence of events, or a relationship between two things.

a

A1

A word used before a singular noun that is not specific or is being mentioned for the first time. It is used only before words that begin with a consonant sound to indicate one of something.

that

A1

This word is a demonstrative pronoun used to indicate a specific person, object, or idea that is further away in space or time from the speaker. It is also used to refer back to something that has already been mentioned or to introduce a clause that identifies something.

I

A1

The pronoun 'I' is used by a speaker or writer to refer to themselves as the subject of a verb. It is the first-person singular subject pronoun in English and is always capitalized regardless of its position in a sentence.

for

A1

Used to show who is intended to have or use something, or to explain the purpose or reason for an action. It is also frequently used to indicate a specific duration of time.

not

A1

A function word used to express negation or denial. It is primarily used to make a sentence or phrase negative, often following an auxiliary verb or the verb 'to be'.

with

A1

A preposition used to indicate that people or things are together, in the same place, or performing an action together. It can also describe the instrument used to perform an action or a characteristic that someone or something has.

he

A1

A pronoun used to refer to a male person or animal that has already been mentioned or is easily identified. It functions as the subject of a sentence.

you

A1

Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.

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