The Kumon Math Boosters series is designed to help children who either need to improve their basic math skills, or who are slightly ahead of the curve. They accomplish this by combining multiple years of curriculum in one book and following the famous step-by-step Kumon approach, which reduces anxiety and frustration. So whether your child needs a little extra review and reinforcement, or is ready to jump ahead to the next level, Kumon Math Boosters are the right choice.\n\nKumon Math Boosters: Addition & Subtraction\n\nFree UK delivery on this item.\n\nThis brand new item is available with free UK delivery using Royal Mail tracked services.\n\nPlease note: the price advertised is as low as we can go \u2014 we do not accept or respond to offers. We're also unable to accommodate special requests added in your order notes at checkout. If you have a specific request or requirement, please contact us before ordering so we can check if it's something we can help with.\n\nThe Kumon Mat;