Would that paper and pen stuff be for you or your son?
(Not disclosing my score from the download either!)
Yes, I think that you should use some of the workbooks recommended for Bucks first, such as IPS - check the Bucks front page of the website for details.
They will help you (both!) to figure out the technique or, in the case of certain questions, come running back to the VR section of the forum for help on technique! There are posts on all the really tricky question types.
Then you can use the CDs as an interim "fun" test of progress.
There are also some fun exercises posted by Patricia under the "Tips" section that you can use when travelling in the car, or just in a dull moment. Some of them date back a while, so do check all the likely threads.