If children in your class get to a point in life where they need to round within a million on the daily, they're probably working with some big numbers and they're probably doing pretty well for themselves! So just give them a gentle reminder about where that know-how came from, and this Year 5 Round within a Million resource in particular. This activity is a discussion problem, which encourages collaborative working and aims to extend children through working systematically and using mathematical language. An answer sheet is also provided.