Number three vs Third vs Three

When to use each in English, with meaning, register, and examples.

Number three

Beyond 10,000 (less common)

Third

Top 1,000 (very common)A1

Three

High-frequency chunkA1
 Number threeThirdThree
Pronunciation🇬🇧 //ˈnʌmbər θriː//🇺🇸 //ˈnʌmbər θri//🇬🇧 /["/θɜːd/"]/🇺🇸 /["/θɜːrd/"]/🇬🇧 /["/θriː/"]/🇺🇸 /["/θriː/"]/
MeaningThe third in a sequence.The number three in order or position.The number that comes after two.
ExampleCan you give me the number three pencil?Today is the third (of May).I have three apples in my bag.
RegisterNeutralNeutralNeutral
How commonBeyond 10,000 (less common)Top 1,000 (very common)High-frequency chunk
CEFR level-A1A1
Collocationsnumber three choice, number three position, number three in linefirst, middle, final, divide something into, third of, about a third, almost a third, at least a thirdthree times, three hundred, three-legged, three-part
Antonymsnumber one, number twofirst, secondone, two, four
Common mistakesConfused with the phrase 'the third number'., Used in places where numerical symbols are expected, like in mathematics., Omitting 'number' and just saying 'three' in contexts where clarity is needed.Confused with 'three' when indicating position., Misused in plural forms, like 'thirds' when referring to fractions.Confusing 'three' with the number 'thirty'., Mispronouncing 'three' as 'tree'.
Usage notesUse 'number three' when referring to a specific position or order. Appropriate in both spoken and written contexts, but avoid in very formal writing.Used to describe the position in a sequence. Formal contexts might require more clarity (like 'the third option'), while informal contexts can be more casual.Use 'three' when counting or referring to a group of three items. It’s appropriate in both casual and formal contexts.

See it in real clips

Number three
Third
Three

Frequently asked questions: Number three vs Third vs Three

What's the difference between Number three, Third, and Three?

Number three: The third in a sequence. Third: The number three in order or position. Three: The number that comes after two.

Can you show an example of each?

Number three: Can you give me the number three pencil? Third: Today is the third (of May). Three: I have three apples in my bag.

Can I use Number three, Third, and Three interchangeably?

Not always. Number three, Third, and Three are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.