Rounding whole numbers
Rounding whole numbers is the process by which we make numbers look a little nicer.
Numbers that look nice in our mind are numbers that usually
end with a zero such as 10, 30, 200.
Therefore, when rounding numbers, it usually means that you are going to try to put zero(s) at the end
Numbers can be rounded to the nearest ten, hundred, thousand, ten-thousand, etc...
Rounded numbers are only approximates; they never give exact answers
Rounding whole numbers to the nearest ten
When rounding to the nearest ten,
Rounding to the nearest million
If the last 6 digits is bigger than 500000, round up. Otherwise, round down
Test your knowledge with the quiz below: