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Changing between centimetres and metres, minutes and hours, or grams and kilograms means multiplying or dividing by the conversion factor. Deciding which of the two it is by asking should the number get bigger or smaller catches nearly every slip.
Saved in this browser only. No account, nothing sent anywhere.
Nothing. This is one of the skills the Atlas starts from.
No indexed official paper question has been tagged with MOD-07 yet. The index grows one paper at a time, and it records only question numbers, point values and our own skill tags — never the problems themselves.