Year 6

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We can multiply three-digit and four-digit numbers by two-digit numbers using efficient written methods

Year 6 Unit 10b

What we are learning:

  • Once we can multiply two digit numbers by two digit numbers confidently we can extend the method to include three digit numbers.
  • If we have 236 x 52 we set it out like this:


First we multiplied 236×2 (shaded)
Then we multiplied 236×50 (shaded below)

Remember that by inserting the zero in the units column we are multiplying by 10 first, then multiplying by 5 to multiply by 50 altogether.
Finally we add the two rows of multiplication together to find the answer.
236×52 is therefore 12,272



Activities you can do at home:

On the Activity Sheet you will find some examples laid out for you, and others that you can lay out for yourselves.

Good questions to ask:

How do we set this multiplication out?
Where do we start multiplying?
How do we know we have multiplied all parts of the calculation?

If your child:

Makes calculation errors when multiplying or adding
Slow down their calculation and ask them to talk it through out loud as they do it – this often helps them identify their own errors and they self correct them as they realise. If they don’t see their error, ask them Are you sure about that part? This will prompt them to look at it more carefully again.

Extension Activity

Please use this activity when you think your child understands the unit of work. It will deepen and extend your child’s understanding of this unit.


Extension activity (PDF)

Extension activity answers (PDF)