半 [bàn] - half; semi-, incomplete
radical: 十 [shí]: ten
decomposition: ⿻丷牛 etymology: ideographic
hint: A cow 牛 splitting 丷 wood in half 
Click on "Try it yourself" to draw the character 半 on the grid above.
Integrated Chinese Vocabulary:
[bàn]: half (L3-1)
半天 [bàntiān]: half a day; a long time (L18-1)
Stroke Sequence:
Stroke order animation courtesy of Hanzi Writer.