This is how you sign Teen in American Sign Language.

How to sign

To sign "Teen" in American Sign Language in ASL, hold your dominant hand in a fist, palm facing outward, with your thumb tucked between the index and middle fingers to form a 'T' handshape. Touch this 'T' handshape from the side of your forehead down to the side of your chin.

To sign "Teen" in American Sign Language (ASL), form a fist with your dominant hand, palm facing outward, and position your thumb between your index and middle fingers to form a 'T' shape. Next, glide the 'T' handshape from the side of your forehead down to the side of your chin.