This acts as a further extension to Doplication. It's an activity that is intended to give opportunities for those pupils to explore deeply using their intuition and flair in the areas of both spatial awareness and number replationships and patterns.
Possible approach
As this is designed for the highest attaining, it might be presented as on the website or in a one-to-one situation, encouraging discussion between adult and pupil. The pupils may need access to a spreadsheet once many number results are being acquired.
Key questions
Tell me about what you have found.
Can you describe the ways that you arrived at these numbers?
How did you construct this on the spreadsheet you used?