This study aims to evaluate the computational skills of 12 children with cochlear implants, aged 7 to 10 years, who are in the first-year elementary education, using the Zareki-R-A battery, the results of which, showed the presence of difficulties in arithmetic in the majority of cases, especially Mental oral arithmetic, Numbers reading, Position of numbers in vertical scale, recovering numbers, comparing verbally two numbers, presenting a visual estimate of quantities, qualitative estimation of quantities, verbally presented computational issues, comparing two written numbers.

Deafness, Cochlear implant, Arithmetic. Arithmetic difficulties.