NCERT Book Class 1 Maths Chapter 4 Subtraction maths for kids NCERT Book Class 1 Maths Chapter 3 Addition Worksheet NCERT Class 1 Maths is available for study on this youtube channel. Students who are in class 1 or preparing for any exam which is based on Class 1 Maths can refer NCERT Math-Magic Book for their preparation. Digital NCERT Books Class 1 Maths videos are always handy to use when you do not have access to the physical copy.