| 2 | English Is the No 1 World Language > Level 1 > Key 2 - grammar
cardinals plurals ordinals 1 one 11 eleven 21 Twenty-one ones; 1's; 1:s first; 1st 2 two 12 twelve 22 twenty-two twos; 2's; 2:s second; 2nd 3 three 13 thirteen 33 thirty-three threes; 3's; 3:s third; 3rd 4 four 14 fourteen 44 forty-four forty-fourth; 44th 5 five 15 fifteen 55 fifty-five 6 six 16 sixteen 66 sixty-six 7 seven 1 seventeen 77 seventy-seven 8 eight 18 eighteen 88 eighty-eight 9 nine 19 nineteen 99 ninety-nine 10 ten 20 twenty twenties; 20's; 20:s twentieth 100 one hundred 168 one hundred (and) sixty-eight 1,000 one thousand 1,447 one thousand four hundred (and) forty-seven 10,000 ten thousand 10,994 ten thousand nine hundred (and) ninety-four 100,000 one hundred thousand 162,558 one hundred (and) sixty-two thousand five hundred (and) fifty-eight 1,000,000 one million 1,683,241 one million six hundred (and) eighty-three thousand two hundred (and) forty-one 1,000,000,000 one billion (in Br. E. milliard is sometimes used) 1,325,215,631 one billion three hundred (and) twenty-five million two hundred (and) fifteen thousand six hundred (and) thirty-one