Year 6 Hands-on Maths : 10 Minutes of Concrete Manipulatives a Day for Maths Mastery, Paperback, ISBN 0008267006, ISBN-13 9780008267001, Brand New, Free shipping in the US Use manipulatives 10 minutes a day with these simple at-a-glance activities! Just 6 weeks of these activities will give children a richer and deeper mastery of maths by demonstrating abstract ideas and core mathematical concepts in a variety of representations and problem-solving contexts.