五 [wŭ] - five; surname
radical: 二 [ér]: two
decomposition: ⿴二? etymology: ideographic
hint: Five elements (the cross with the extra stroke) between heaven 一 and earth 一  
Click on "Try it yourself" to draw the character 五 on the grid above.
Integrated Chinese Vocabulary:
Stroke Sequence:
Stroke order animation courtesy of Hanzi Writer.