# Maths worksheets: Partition numbers and place value. Y5

By year 5 children are expected to be able to read and write some seriously large numbers. A really good understanding of place value is needed to read large numbers successfully. The key to looking at a number and working out how to say it lies in separating the number up into a series of hundreds, tens and units.

Let’s look at 123 456 789

Take the first set of three digits (on the right:789) as a set of hundreds tens and units: that is seven hundred and eighty nine.

Take the second set of three digits (456): that is four hundred and fifty six; but it is four hundred and fifty six * thousand*.

Take the third set of three digits (123): that is one hundred and twenty three; but it is one hundred and twenty three * million*.

Put them together to make **one hundred and twenty three million our hundred and fifty six thousand and seven hundred and eighty nine.**

An abacus is a really good way to look at how to read numbers and is a very powerful mathematical tool – anyone who has been to Hong Kong or China and seen how they calculate with an abacus will be amazed!

A calculator can also be really useful to reinforce place value. The second worksheet will give you some ideas which you can develop with your maths at home. A simple challenge; change **4**3 567 to **6**3 567 by carrying out one operation. To be successful the child has to understand the value of the digits 4 and 6 in the two numbers and that 20 000 needs to be added.

5201-03 Partition up to 5-digit numbers (pg 2)

5201-04 Place value calculator work

## Related Posts

- Free Year 5 Maths Worksheets

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