Excellent resource, follow his suggestion and stop the video and try doing the questions and then watch him work them through.
Similar or simpler questions below to practice relating to some of the questions in the test. Let me know what else you need and I will try and add to these.
Q 1b Tuatara comparing two weights
Q 1c Tuatara breeding programme
Q 2e Comic book prices
Q 3a Weight of a container
Q 3c Comparing water weight in pigs
Q 3d Recommending savings from chart