-9 one two three four five six seven eight nine

10-19 ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen

20-29 twenty-one …… twenty-nine

30-90 thirty forty fifty sixty seventy eighty ninety

100 a/one hundred

120 one hundred and twenty

1000 a/one thousand

1120 one thousand one hundred and twenty

2120 two thousand one hundred and twenty

10000 ten thousand

1,000 a/one thousand (千)

1,000,000 a/one million (百萬)

1,000,000,000 a/one billion (十億)