Gender bias in the text book of mathematics of secondary level of W.B.B.S.E

The author observed that gender biasness have been studied in the field various disciplines other than mathematics. It also found that the most of the researcher has done their work gender biasness in text book but no one has been studied on the secondary level (class-IX & X) in West Bengal on the mathematics of W.B.B.S.E (West Bengal Board of Secondary Education). The author has found that gender biasness is relevant issue in this time. The author collected data by observation technique and analysed it using different charts and correlation tables. Finally, it has been observed that there was no significant gender bias found.