How do you spell numbers 1 to 100 English?

To spell numbers from 1 to 100 in English, you generally use standard Words such as "one," "two," "three," and so on up to "ninety-nine." The number 100 is spelled as "one hundred." For numbers between 21 and 99 that are not multiples of ten, you typically combine the tens and units, like "twenty-one" or "thirty-five." The spelling follows consistent patterns for tens (twenty, thirty, forty, etc.) and units (one to nine).