b'Libro 1: Lo Bsico!Pg i n a| 47,000seven thousandsven tusend 8,000eight thousandit tusend 9,000nine thousandnain tusend 10,000ten thousandten tusend 20,000twenty thousand tunti tusend 50,000fifty thousandffti tusend 55,000fifty-five thousandffti-faiv tusend 100, 000one hundredthousand uan jndred tusend 1,000,000one millionuan mlian 1,000,000,000one billionuan blianPractiquemos! Lets Practice!/Lets prctes! los aosyearsyirs 1800-mil ochocientoseighteen hundreditin jndred 1900-mil novecientosnineteen hundrednintin jndred 1901-mil novecientos unonineteen hundred and one nintin jndred end uan 1910-mil novecientos dieznineteen ten nintin ten 2000-dos miltwo thousand tu tusend 2008-dos mil ocho two thousand and eighttu tusend end eit 3 /rdenal nmbers Los Nmeros Ordinales Ordinal Numbersprimero first ferst segundosecondscand tercerothirdterd cuartofourth fort quintofifth feft sextosixth sext sptimoseventh svent'