In English, the tens are the multiples of ten from 20 to 90: twenty, thirty, forty, fifty, sixty, seventy, eighty, and ninety. They link the single-digit numbers to larger values and are essential for counting, telling time, and giving prices.
  • 20 = twenty
  • 30 = thirty
  • 40 = forty
  • 50 = fifty
  • 60 = sixty
  • 70 = seventy
  • 80 = eighty
  • 90 = ninety
Each tens word combines with units (1-9) for intermediate numbers: twenty-one, thirty-five, forty-eight, etc.
‘Fourty’ is incorrect; the correct spelling is ‘forty’.
The word for 70 is 'seventy'.
The tens are 20, 30, 40, 50, 60, 70, 80, and 90.
40 is 'forty' (not 'fourty').