SUM2 aims to explore the cognitive factors involved in multiplication fact learning.

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An important characteristic of individuals with good mathematics achievement is that they have fluent access to stored number facts, such as multiplication tables. This is recognised by the UK government, who have emphasised the importance of learning number facts by introducing a new national multiplication tables test to be taken by all 8- to 9-year old children from 2020.

Some children might find multiplication facts difficult because different facts interfere with one another. For example, when presented with the problem ‘6 x 7’, children might have to ignore closely related facts such as ‘6 x 6’ and ‘6 x 8’. The SUM2 project investigates how much interference children experience, and how multiplication fact learning can be optimised.

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