Kammala jumla mai zuwa: Roberts yana da matukar nasara da tasiri matasan aiki ga tawagar 'yan wasan Australia. Roberts ta fara fitowa ta farko a gasar FIBA Oceania Under-16 Championship a Brisbane, Australia, inda ta dauki zinare zuwa gida kuma ta tabbatar da wurin Australia a gasar cin kofin duniya ta Under-17 a shekara mai zuwa. Roberts zai ci gaba da wakiltar Ostiraliya a Gasar Cin Kofin Duniya ta FIBA a Faransa inda Ostiraliya ta kasance ta bakwai. A wannan gasar Roberts ya samu maki 16.1 a kowane wasa. Daga nan sai ta koma wakiltar Gems a
2011 FIBA Under-19 Gasar Cin Kofin Duniya a Chile. A wannan gasar ita ce ta fi kowa zura kwallo a kowane wasa guda, inda ta ci maki 41 a kan Japan. Duk da samun matsakaicin maki 15.9 a kowane wasa a kan ƙungiyar Australiya mai ƙarfi, ƙungiyar ta ɗan rasa tagulla, tana matsayi na huɗu.