The "sa" in Japanese is pronounced as "sah". Try writing the hiragana kana of it.
1Make the first stroke. Draw a slanted line going in the northeast direction, from left to right.
2Make the final stroke. Draw an intersecting line through the first stroke, slanting southeast, from left to right. End the line with a very small hook facing northwest. Lift up your pencil and end the stroke with a curve (as if you were drawing an imaginary connected curve from the hook).
4Practice writing it. Use blank kana practice sheets and go across the sheet.
- Make sure you remember the difference between sa and chi (ち), which looks very similar but faces in the other direction.