Фрагмент из книги:
A small book has 48 pages. Round the number of pages to the nearest 10. Would it be all right if the book was printed with the rounded number of pages? Explain your answer.
An aeroplane journey is 1794 miles or kilometres. Round to the nearest 1000 miles or kilometres. Would you use the rounded number to work out how much fuel to put in the aeroplane? Explain your answer.








