Without a calculator multiply each of these numbers by 1001:
Now look back at your working. Can you find a quick way of doing these calculations in your head? Try this exercise again with different numbers.
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Note to teacher: Doing this activity once with a class helps students develop strategies. It is only when they do this activity a second time that they will have the opportunity to practise those strategies. That is when the learning is consolidated. Click the button above to regenerate another version of this starter from random numbers.
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Teacher, do your students have
access to computers?
Here a concise URL for a version of this page without the comments.
Here is the URL which will take them to the pupil version of this activity.
See the National Curriculum page for links to related online activities and resources.