Answer:
Double my number, I'm less than a score. Half of my number is less than four. Add one to my double when bakers are near. Days of the week are still greater, I fear.
What is it that you must give before you can keep it.
Up on high I wave away but not a word can I say.
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
What do you throw out when you need it but put away when you donβt?
People take me on walks and I run and have fun. What am I?