Using dot patterns based on 5 can provide a useful visual when doubling beyond numbers greater than 5. We can see 8 represented as 5 and 3, so when we double 8, we see 10 and 6, or 16.


We can also see that doubling a whole number always results in an even number.

Near doubles

Near (or close) doubles are made when we add consecutive numbers (numbers that follow each other in the counting sequence). So 8+7 can be seen as 1 more than double 7, or 1 less than double 8.


We can see that adding two consecutive numbers always results in an odd number.

Play Nearly double to practise this

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