“…The problems of cloud-based learning tools and especially information subjects teaching are discussed by Balyk et al [2], Bilousova et al [3], Fedorenko et al [7], Glazunova et al [8], Khmil, Morkvian and Kyselova [9], Kolgatin et al [10], Korotun, Vakaliuk and Soloviev [12], Lytvynova and Burov [14], Markova, Semerikov and Striuk [16], Markova et al [17], Oleksiuk and Oleksiuk [18], Osadcha and Osadchyi [19], Spirin et al [21], Striuk and Rassovytska [22], Symonenko et al [24], Vakaliuk, Korotun and Semerikov [26], Vakaliuk and Marienko [27], Valko, Kushnir and Osadchyi [28], Velychko et al [30], the principles of individual work organization by means of cloud services Yandex are described by Aleksanyan [1]. Cloud services provided by the companies Google, Microsoft are described in the works by Bondarchuk, Balakhtar and Balakhtar [4], Bondarenko, Mantulenko and Pikilnyak [5], Korobeinikova et al [11], Lytvynova, Spirin and Anikina [15], Sultanova et al [23].…”