Add/sub : numbers up to 20

Caroline Mulholland is an experienced teacher and author. She has taught in New Zealand and the United Kingdom. When not teaching or writing, she is a busy mother of two. Her two children Emma and Jack are both her biggest fans and harshest critics and enjoy helping to test out her new books and to ensure there is plenty of fun alongside the learning activities. They particularly like trying any type of science experiments and activities that involve code cracking and logic skill.