How to spell 1 1 is spelled one in English. Hear it & practice → On a check To write $1.00 on a check, the words line reads: One and 00/100 Full check-writing guide → Related numbers10 ten 100 one hundred Spelling guidesMoney amountsHow to write dollars in words.Writing a checkStep-by-step for US checks.Ordinals (1st, 2nd…)First, second, third, and beyond.All guidesDates, phones, fractions, decimals… ← 0All numbers2 →