In this nal project some properties of k-Jacobsthal and k-Jacobsthal-Lucas number and the relation between the k-Jacobsthal and k-Jacobsthal-Lucas number are proved using Binet's formula. This nal project is a review of part of articles of Jhala et al. [International Journal of Mathematical Analysis, 7 (2013), 551-556] and Jhala and Rathore [International of Modern Sciences and Engineeri…