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Purpose: The study focussed on the effect of Abacus training on numerical ability (comprising of counting and mathematical operations) of children with hearing loss. Method: 90 students with hearing loss were sampled from 6 special schools in Mumbai, India. A quasi- experimental study was employed using two group pre-test and post-test design. Data were collected using the Numerical Ability Test (NAT) as an instrument. Six null hypotheses based on the objectives were formulated and tested at 0.05 level of significance using t-Test - Assuming Equal Variances. Results: The findings revealed that the experimental group which was instructed through Abacus showed higher proficiency in numerical ability as compared to the control group instructed through the conventional method. Gender as a variable seems to influence the mean achievement of numerical ability of students with hearing loss. While girls and boys did not differ in simple tasks such as counting, boys were found to be better in mathematical operations and overall numerical ability. Conclusions : The Abacus teaching method results in higher mathematical achievements among students with hearing loss. Gender also plays an important role in mathematical learning, as evidenced by boys demonstrating more numerical ability than girls in the study sample.

Effect of Abacus Training on Numerical Ability of Students with Hearing Loss