K S T N H M Y R W N
Katakana Practice sheets (pdf): Print out, look at the stroke order on the table, and practice --
Trace the example katakana first, then write your katakana nicely in the blank square
Large:  ア〜ト;   ナ〜ヨ;   ラ〜ン
Medium:  ア〜ノ;   ハ〜ン;
Small:  ア〜ン
Katakana practice sheet (blank)