A guide to P4 addition strategies.

We have been learning different strategies for addition. Here are some helpful links and pictures to show the various methods.

Column addition:

The column method writes down the sum with one number on top of another. It is important to make sure that you line up the units, tens, hundreds and thousands. Watch this video for an explanation:

https://www.bbc.co.uk/bitesize/topics/zy2mn39/articles/z3kmrwx

Diamond method:

The diamond method partitions (breaks up the number into units, tens, hundreds) and then adds them together. Here is a poster made from one of the pupils to show an example:

Grid Method:

The grid method, partitions (breaks up the number into units, tens, hundreds) and then adds them together. Here is an example of the grid method:

Number line jumps:

The number line strategy makes sensible jumps along a number line until you have added the second number in your sum. Watch this video for a demonstration:

Next week, we will be practising all of the methods in different contexts.