< Katakana Drill Katakana
ツ (tsu) - Details
Index #18
Pronunciation: Tsunami
3 strokes
Here's the katakana version of つ! The general shape of the original hiragana is here if you can see it.

Here's a tough one, just because it's similar to another katakana we've already learned (シ, shi). The first two strokes are pointed downward and the final stroke goes from top to bottom, but they look similar enough to need extra care in the beginning of your memorization.
Check out our katakana guide for more info