The aim of this study was to investigate the relationship between grade seven students' attitude towards Mathematics and their achievement in Mathematics. Even though Mathematics is featured as a core and mandatory subject in schools of Bhutan, it has little impact on students, as they consistently show poor achievement in Mathematics. The population sampling technique was used to collect the sample by including all students of grade seven (M=56 and F=84) of Norbuling Central School (NCS). The adopted version of the Attitude toward Mathematics Inventory (ATMI) survey questionnaire developed by Tapia and Marsh (2004) was used to collect the survey data. Overall, the study revealed that grade VII students' have high level of attitude towards Mathematics with no significant difference between the attitude of male and female students towards Mathematics. It was also found that there was strong positive and significant correlation between students' who have high achievement in Mathematics and their attitude towards Mathematics (r = 0.764, P < 0.001)