Books for introductory , 1 and 2 have been designed to develop th e basic lintuitive skills such as number sense, analytical sense and reasoning in children. Books 3,4 & 5 have been designed with a unified approach of various disciplines in mathematics in order to make learning enjoyable and simple. All books in this series are framed on the guidelines of the NCERT. Contents: Numbers, Roman Numbers, Four Operations, Factors & Multiples, HCF & LCM, Fractions-addition & subtraction, Fractions-multiplication & division, Decimals-addition & subtraction, Decimals-multiplication & division, Percentage, Profit & Loss & Unitary method, Measurements, Time, Lines, Angles & Triangles, Perimeter, Area, Volume, Circles, Graph.