Lydia Purdy found Winning With Numbers:

• Significantly builds student knowledge“Recall of facts is quicker and children are applying skills when using calculation strategies. Mental arithmetic skills have definitely improved and are quicker.”
• Significantly improves teaching efficiency“The simplicity of the delivery of Winning with Numbers supports with the reduction of cognitive overload. The 'straight-forward' strategies support all learners, which allows children to make links with mental arithmetic and apply to calculation strategies.”
• Slightly improves attainment“It is too early to measure significant impact. Teachers have noticed an improvement in number fluency and mental arithmetic skills within the classroom. This is also evident from pupil interview. Data from formal assessments will support with the recognition of impact.”
• Significantly improves teacher knowledge“Teachers feel more confident in the best ways of supporting children with number fluency. The videos and support information is clear in explaining the purpose and effective strategies to help children to remember.”
• Slightly reduces attainment gap“It is too early to measure impact across school, but there has been a significant improvement of how children feel about arithmetic skills (particularly evident in less confident mathematicians). Most children in classes are keeping up with the WINS and there is evidence of how children are applying some of the skills taught to calculation strategies.”