"ATM speaks for creativity, thought, and the enjoyment of the struggle in calculation, reasoning and discovery"
Huge collection of resources for sale, includes software.
"This report examines the work of a sample of 10 maintained and 10 independent schools, all of which have strong track records of high achievement in mathematics. It focuses on identifying characteristics of effective practice in building pupils' secure knowledge, skills and understanding of number so that they demonstrate fluency in calculating, solving problems and reasoning about number."
"This collection of 60 short videos, filmed in a range of school classrooms in 2012 and 2013, shows teaching, and learning, in line with the three overall aims of the new National Curriculum. These aims are that pupils should develop fluency, reason mathematically and be able to solve problems."