In English, but also in Math, 'Eleven plus two' Equals?

I’m always around on a sunny day. Pan grew annoyed when I ran away. Cast over your face means you’re feeling dismayed. I need another line so hooray for croquet.

Floppy-eared bounder in the meadow, Though to find my true home, look down below. Bouncing through fields is never a bore-ah, Remove my last and I'll teach you the Torah.

I'm in machines In One Piece I'm in games And one of my definitions is to wear myself

I can show you the way, warn you, I can lead, and I'm everywhere along streets.