From 0 to 10
11The essential foundation. Memorize it — everything else follows.
零 zero
一 one
二 two
三 three
四 four
五 five
六 six
七 seven
八 eight
九 nine
十 ten
The tens
10Structure: number + 十. Twenty = "two-ten", thirty = "three-ten", etc.
十 10
二十 20 (two × ten)
三十 30
四十 40
五十 50
六十 60
七十 70
八十 80
九十 90
一百 100 (百 = hundred)
Building compound numbers
10For 11-99: tens + units. Forty-two = 四十二 (four-ten-two). No exceptions.
十一 11 (ten-one)
十五 15
二十一 21 (two-ten-one)
三十三 33
四十二 42
五十五 55
六十八 68
七十七 77
八十九 89
九十九 99