This noun follows the standard English plural rule: simply add -s to the singular form.
Arithmetic is regular. It follows the Standard -s rule.
Use plural verbs: "The arithmetics are ready" (not "is ready").
Yes. The plural arithmetics is standard across all English variants.
The word arithmetic follows the standard English pluralization rule. When forming the plural, arithmetic becomes arithmetics. This follows the Standard -s pattern, which is one of the most common plural rules in English.
Understanding why arithmetic becomes arithmetics helps with spelling and pronunciation. This noun follows the standard English plural rule: simply add -s to the singular form.
When using arithmetics in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The arithmetics are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.