Karate is usually taught using the original Japanese terms, and that includes counting in Japanese. The second syllable is slightly suppressed, so "Ichi" becomes phonetically more like "itch!" and "Roku" sounds more like "Rokk"
Ichi
Ni
San
Shi
Go
Roku
Shici
Hachi
Ku
Ju
One
Two
Three
Four
Five
Six
Seven
Eight
Nine
Ten
Ni Ju
San ju
Yon ju
Go ju
Roku ju
Nana ju
Hachi ju
Kyu ju
Hyaku ju
Twenty
Thirty
Forty
Fifty
Sixty
Seventy
Eighty
Ninety
One Hundred