Números cardinales y ordinales

Números cardinales:

Los números cardinales se usan para contar cosas. Corresponden al nombre del número exacto que queremos expresar, se refieren a la cantidad:

Números cardinales.
Ejemplos:
  • There are three (3) apples on the table.
  • I worked twenty (20) hours this week.
  • She has one (1) car.
  • He gave me fifty (50) dollars for my work.
  • 1 = One
  • 2 = Two
  • 3 = Three
  • 4 = Four
  • 5 = Five
  • 6 = Six
  • 7 = Seven
  • 8 = Eight
  • 9 = Nine
  • 10 = Ten
  • 11 = Eleven
  • 12 = Twelve
  • 13 = Thirteen
  • 14 = Fourteen
  • 15 = Fifteen
  • 16 = Sixteen
  • 17 = Seventeen
  • 18 = Eighteen
  • 19 = Nineteen
  • 20 = Twenty
  • 21 = Twenty one
  • 22 = Twenty two
  • 23 = Twenty three
  • 24 = Twenty four
  • 25 = Twenty five
  • 30 = Thirty
  • 40 = Forty
  • 50 = Fifty
  • 60 = Sixty
  • 70 = Seventy
  • 80 = Eighty
  • 90 = Ninety
  • 100 = One hundred
  • 1000 = One thousand

Números ordinales

Los números ordinales se usan para darle orden a situaciones, objetos o personas, generalmente cuando se están haciendo listados de cosas o cuando se están narrando una serie de eventos. Nos dan la idea de qué va de primero, de segundo, etc.
Ejemplos:
  • First (1st): Write your name and address. Second (2nd): Write about your work experience. Third (3rd): Sign the form.
  • María, first (1st). Gerardo, second (2nd). David, third (3rd).
  • My baby’s first (1st) word was "car".
  • My father’s second (2st) wife is very pretty.
Números ordinales.
  • 1st = First
  • 2nd = Second
  • 3rd = Third
  • 4th = Fourth
  • 5th = Fifth
  • 6th = Sixth
  • 7th = Seventh
  • 8th = Eighth
  • 9th = Ninth
  • 10th = Tenth
  • 11th = Eleventh
  • 12th = Twelfth
  • 13th = Thirteenth
  • 14th = Fourteenth
  • 15th = Fifteenth
  • 16th = Sixteenth
  • 17th = Seventeenth
  • 18th = Eighteenth
  • 19th = Nineteenth
  • 20th = Twentieth
  • 21st = Twenty first
  • 22nd = Twenty second
  • 23th = Twenty third
  • 24st = Twenty fourth
  • 25nd = Twenty fifth
  • 30th = Thirtieth
  • 40th = Fortieth
  • 50th = Fiftieth
  • 60th = Sixtieth
  • 70th = Seventieth
  • 80th = Eightieth
  • 90th = Ninetieth
  • 100th = One Hundredth
  • 1.000th = One Thousandth