a spare is 10 points plus the value of your next roll. So if you get a spare and then 9, you get 19 points
There are 10 frames in bowling. If you get a strike or spare in the 10th frame you get additional shot(s) -- 1 for spare and 2 for strike.
It depends on the league.
1 point a bowling pin
Go bowling and see how many times you can spares.
In the last frame you get a chance of bowling 3 balls. You can get three strikes, a strike and a spare (a spare is two balls) or a spare and a strike.