| Hide Notes Overview: Being able to double and half numbers mentally is a key skill if children are to be confident with multiplication, division and fractions. The following activities take pupils step by step through progressively more challenging examples and explore the links with multiplying and dividing by 2.
In addition to the online activities below, the photocopiable activity Upstairs Downstairs is really good for learning how to double and half any two digit numbers.
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Step 2 | | Notes for Teachers:
Explore doubling first by looking at the idea of 2 lots of (p2), at then at multiplying by 2 (p6). Next look at halving (p10) and how this is the same as dividing by 2 (p14). Along the way, practise each of the four skills using numbers within 20, including missing number problems. | Quiz: Mixed examples such as 2 x 6 = ?, ½ of 14 = ?. Including missing number questions. | | Hide Notes See champions and stars | |
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