Cardinal and Ordinal Numbers

Examples:

• 1 (One), 2 (Two), 3 (Three), 4 (Four), 5 (Five), 6 (Six), 7 (Seven), 8 (Eight), 9 (Nine), 10 (Ten)

  These are cardinal numbers. We use these numbers for counting objects, people, etc.

• There are two apples.

  'Two' is the cardinal number.

Examples:

• 11 (Eleven), 12 (Twelve), 13 (Thirteen), 14 (Fourteen), 15 (Fifteen), 16 (Sixteen), 17 (Seventeen), 18 (Eighteen), 19 (Nineteen)

Examples:

• 20 (Twenty), 21 (Twenty-one), 22 (Twenty-two), 23 (Twenty-three), 24 (Twenty-four), 25 (Twenty-five), 26 (Twenty-six), 27 (Twenty-seven), 28 (Twenty-eight), 29 (Twenty-nine).

• 30 (Thirty), 31 (Thirty-one), 32 (Thirty-two), 33 (Thirty-three), 34 (Thirty-four), 35 (Thirty-five), 36 (Thirty-six), 37 (Thirty-seven), 38 (Thirty-eight), 39 (Thirty-nine).

• 40 (Forty), 41 (Forty-one), 42 (Forty-two), 43 (Forty-three), 44 (Forty-four), 45 (Forty-five), 46 (Forty-six), 47 (Forty-seven), 48 (Forty-eight), 49 (Forty-nine).

• 50 (Fifty), 51 (Fifty-one), 52 (Fifty-two), 53 (Fifty-three), 54 (Fifty-four), 55 (Fifty-five), 56 (Fifty-six), 57 (Fifty-seven), 58 (Fifty-eight), 59 (Fifty-nine).

• 60 (Sixty), 61 (Sixty-one), 62 (Sixty-two), 63 (Sixty-three), 64 (Sixty-four), 65 (Sixty-five), 66 (Sixty-six), 67 (Sixty-seven), 68 (Sixty-eight), 69 (Sixty-nine).

• 70 (Seventy), 71 (Seventy-one), 72 (Seventy-two), 73 (Seventy-three), 74 (Seventy-four), 75 (Seventy-five), 76 (Seventy-six), 77 (Seventy-seven), 78 (Seventy-eight), 79 (Seventy-nine).

• 80 (Eighty), 81 (Eighty-one), 82 (Eighty-two), 83 (Eighty-three), 84 (Eighty-four), 85 (Eighty-five), 86 (Eighty-six), 87 (Eighty-seven), 88 (Eighty-eight), 89 (Eighty-nine).

• 90 (Ninety), 91 (Ninety-one), 92 (Ninety-two), 93 (Ninety-three), 94 (Ninety-four), 95 (Ninety-five), 96 (Ninety-six), 97 (Ninety-seven), 98 (Ninety-eight), 99 (Ninety-nine).

• 100 (Hundred or One hundred)

Examples:

• 1st (First), 2nd (Second), 3rd (Third), 4th (Fourth), 5th (Fifth), 6th (Sixth), 7th (Seventh), 8th (Eighth), 9th (Ninth), 10th (Tenth)

  These are ordinal numbers. We use these numbers when we want to put things in a specific order.

• 11th (Eleventh), 12th (Twelfth), 13th (Thirteenth), 14th (Fourteenth), 15th (Fifteenth), 16th (Sixteenth), 17th (Seventeenth), 18th (Eighteenth), 19th (Nineteenth)

• She finished first in the race.

  This means she crossed the finish line ahead of everyone else. 'first' (1st) is the ordinal number.

• I live on the 3rd floor.

  This tells you my apartment is one level above the 2nd floor. You can also write 'third'.

Examples:

• 20th (Twentieth), 21st (Twenty-first), 22nd (Twenty-second), 23rd (Twenty-third), 24th (Twenty-fourth), 25th (Twenty-fifth), 26th (Twenty-sixth), 27th (Twenty-seventh), 28th (Twenty-eighth), 29th (Twenty-ninth).

  These are ordinal numbers in the 20s. They are used for positions or orders starting from 20.

• 30th (Thirtieth), 31st (Thirty-first), 32nd (Thirty-second), 33rd (Thirty-third), 34th (Thirty-fourth), 35th (Thirty-fifth), 36th (Thirty-sixth), 37th (Thirty-seventh), 38th (Thirty-eighth), 39th (Thirty-ninth).

• 40th (Fortieth), 41st (Forty-first), 42nd (Forty-second), 43rd (Forty-third), 44th (Forty-fourth), 45th (Forty-fifth), 46th (Forty-sixth), 47th (Forty-seventh), 48th (Forty-eighth), 49th (Forty-ninth).

• 50th (Fiftieth), 51st (Fifty-first), 52nd (Fifty-second), 53rd (Fifty-third), 54th (Fifty-fourth), 55th (Fifty-fifth), 56th (Fifty-sixth), 57th (Fifty-seventh), 58th (Fifty-eighth), 59th (Fifty-ninth).

• 60th (Sixtieth), 61st (Sixty-first), 62nd (Sixty-second), 63rd (Sixty-third), 64th (Sixty-fourth), 65th (Sixty-fifth), 66th (Sixty-sixth), 67th (Sixty-seventh), 68th (Sixty-eighth), 69th (Sixty-ninth).

• 70th (Seventieth), 71st (Seventy-first), 72nd (Seventy-second), 73rd (Seventy-third), 74th (Seventy-fourth), 75th (Seventy-fifth), 76th (Seventy-sixth), 77th (Seventy-seventh), 78th (Seventy-eighth), 79th (Seventy-ninth).

• 80th (Eightieth), 81st (Eighty-first), 82nd (Eighty-second), 83rd (Eighty-third), 84th (Eighty-fourth), 85th (Eighty-fifth), 86th (Eighty-sixth), 87th (Eighty-seventh), 88th (Eighty-eighth), 89th (Eighty-ninth).

• 90th (Ninetieth), 91st (Ninety-first), 92nd (Ninety-second), 93rd (Ninety-third), 94th (Ninety-fourth), 95th (Ninety-fifth), 96th (Ninety-sixth), 97th (Ninety-seventh), 98th (Ninety-eighth), 99th (Ninety-ninth).

• 100th (Hundredth)