Temperature is an example of a scalar quantity (just one piece of information).

Electric potential is a scalar quantity, not a vector.

Also with this definition, the average speed is a scalar quantity and not a vector quantity.

However, most intro algebra-based texts just deal with torque about a fixed axis so that you can treat it as a scalar quantity.

The angular momentum can be in a different direction than the angular velocity - but in this case, I is not a scalar quantity.