一
(いち), ichi, one
二
(に), ni, two
三
(さん), san, three
四
(し/よん), shi/yon, four
五
(ご), go, five
六
(ろく), roku, six
七
(なな/しち), nana/shichi, seven
八
(はち), hachi, eight
九
(くゅう/く), kyuu/ku, nine
十
じゅう/じゅ), jyuu/ju, ten
For numbers past ten, you'll put ten first and then add the second number after. For example:
十一
(じゅういち), jyuu ichi, eleven
十二
(じゅうに), jyuu ni, twelve
十三
(じゅうさん), jyuu san, thirteen
十四
(じゅよん), jyuu yon, fourteen
And so on. (I'm not the best at explaining these things lmao) For twenty and up, you'll do something similar to the tens. You'll put the two first, then the ten, and then the number. For example:
二十
(にじゅう), ni jyuu, twenty
二十一
(にじゅういち), ni jyuu ichi, twenty one
二十二
(にじゅうに), ni jyuu ni, twenty two
二十三
(にじゅうさん), ni jyuu san, twenty three
And so on. This goes for 30, 40, 50, 60, 70, 80 and 90.
百
(ひゃく), hyaku, one hundred
百一
(ひゃくいち), hyaku ichi, one hundred and one
二百
(にひゃく), ni hyaku, two hundred
三百
(さんびゃく), san byaku, three hundred
四百
(よんひゃく), yon hyaku, four hundred
五百
(ごひゃく), go hyaku, five hundred
六百
(ろっぴゃく), roppyaku, six hundred
七百
(ななひゃく), nana hyaku, seven hundred
八百
(はっぴゃく), happyaku, eight hundred
九百
(くゅうひゃく), kyuu hyaku, nine hundred
Now for the thousands.
千
(せん), sen, one thousand
千一
(せんいち), sen ichi, one thousand and one
千十
(せんじゅう), sen jyuu, one thousand and ten
千百
(せんひゃく), sen hyaku, one thousand one hundred
千百十
(せんひゃくじゅう), sen hyaku jyuu, one thousand one hundred and ten
千百十一
(せんひゃくじゅういち), sen hyaku jyuu ichi, one thousand one hundred and eleven
二千
(にせん), ni sen, two thousand
三千
(さんぜん), san zen, three thousand
四千
(よんせん), yon sen, four thousand
五千
(ごせん), go sen, five thousand
六千
(ろくせん), roku sen, six thousand
七千
(ななせん), nana sen, seven thousand
八千
(はちせん) hachi sen, eight thousand
九千
(くゅうせん), kyuu sen, nine thousand
一万
(いちまん), ichi man, ten thousand
二万
(にまん), ni man, twenty thousand
And so on.
And this concludes the first chapter. Next chapter will be some basic kanji, or lesson 1. Again, feel free to correct any mistakes you see along the way! It really helps me learn, especially if you're a native speaker. Thank you for reading!
-Author-chan