Addition and subtraction

Bernard Bagnall recommends some primary school problems which use numbers from the environment around us, from clocks to house numbers.

This article for primary teachers encourages exploration of two fundamental ideas, exchange and 'unitising', which will help children become more fluent when calculating.

In this article for primary teachers, Lynne McClure outlines what is meant by fluency in the context of number and explains how a selection of NRICH tasks can help.

In this article for primary teachers, Ems outlines how we can encourage learners to be flexible in their approach to calculation, and why this is crucial.

How can we help students make sense of addition and subtraction of negative numbers?

Freddie Manners, of Packwood Haugh School in Shropshire solved an alphanumeric without using the extra information supplied and this article explains his reasoning.