This is a Mental Maths textbook for Class 2. The book is according to the CBSE Board (NCERT) pattern. The book enables the learner to develop the ability to calculate mentally. The book explains the use of numbers in everyday life by using real life situations, making it easier to learn the concepts. Puzzles, grids, number patterns and activities improve thinking ability in students and make learning enjoyable. The difficult topics have been explained in a very simple and lucid way. Shortcuts to difficult mathematical problems have been provided along with interesting quizzes and teaser questions.