Addition and subtraction
'Understanding maths' is a series of topic-based study books for key stage 2, providing rigorous practice of key subject areas. Addition and subtraction describes in detail the different ways to add and subtract numbers, using both mental and written methods.
Show health and safety information
Please be aware that resources have been published on the website in the form that they were originally supplied. This means that procedures reflect general practice and standards applicable at the time resources were produced and cannot be assumed to be acceptable today. Website users are fully responsible for ensuring that any activity, including practical work, which they carry out is in accordance with current regulations related to health and safety and that an appropriate risk assessment has been carried out.