The curriculum document is considered to be the road map for the attainment of the national goals. For this purpose, the text books are developed in such a way that the contents presented in the books are aligned with curriculum document. The study was aimed to align the textbook of Mathematics (grade VIII) with reference to National Curriculum 2006 for Mathematics I-XII and Bloom's taxonomy in Punjab. This study was qualitative in nature. The alignment level was measured through Surveys of Enacted Curriculum method [SEC].The content analysis protocol was developed by reviewing the literature, National Curriculum 2006 for Mathematics and Mathematics text book developed by Punjab curriculum and Textbook Board [PCTB]. The content analysis protocol was validated in the light of opinions from two curriculum specialist and two assessment experts. The outcomes of the study revealed that the textbook of Mathematics at grade VIII was not properly developed, as instructions were stated in the National Curriculum for Mathematics (2006). There were so many gaps found between the students learning outcomes as mentioned in the Curriculum and the content (units of the book). The study suggests that curriculum needs to be revised and continuous evaluation is required to maintain the standards of the Curriculum