Posts tagged as "rounding"

Here we have another in our series of rounding larger numbers to the nearest million. This page looks in particular at the world’s oceans and the numbers involved have already been rounded to the nearest 1 000 sq km. Children need to be confident when dealing with larger numbers, but this will only happen if [...]

Many children in Year 6 have difficulty reading and writing large numbers, including millions. This page is all based on millions as it looks at the area in square kilometres of some of the largest countries in the world. The task is to round the numbers to the nearest million, and as it happens all [...]

This is a follow up page to our earlier worksheet on rounding for year 5 children.When rounding to the nearest thousand the key digit is the hundreds digit. If it is 5 or more round up to the next whole thousand. If it is less than 5 then take away the hundreds tens and units [...]

Many people criticise the fact that children use calculators and, indeed, they have huge potential for giving incorrect answers: numbers left in the memory and mishit keys are just two ways of ensuring wrong answers. That is why it is so important that a mental calculation, no matter how brief, always goes on at the [...]

Here we have a re-inforcement page for the recently published page on how to round numbers to the nearest 10 000. Useful as a homework sheet or consolidation for those who are still unsure about how to do this. Children do not come across larger numbers very often and it can also be used as [...]

Rounding larger numbers can be tricky to understand as you get different results depending on what you round to. For example 12 345 rounded to the nearest 10 is 12 350, to the nearest 100 is 12 300, to the nearest 1 000 is 12 000 and to the nearest 10 000 is 10 000. [...]

When rounding decimals to the nearest whole one the only digits that are crucial are the tenths – it does not matter what the hundredths or thousandths are. When rounding a number such as 3.47 to the nearest whole number the key digit to look at is the tenths digit. If it is 5 or [...]

If the units are 5 or more, round up to the next whole ten.