Ever since the competition has been opened to pupils as well as to senior students, followed by 21 European countries forming altogether 'Kangaroo without borders'. In the first edition, 120 000 juniors took part. In 1991, two French teachers (André Deledicq et Jean Pierre Boudine) decided to start the competition in France under the name 'Kangaroo' to pay tribute to their Australian friends. It was a tremendous success for the Australian Mathematical National Contest. PSAT Math Practice Tests Explanations PSAT Math Practice Test 1: Section 1 No Calculator. PSAT Math Practice Test Answers and Explanations. In the early 80's, Peter O'Halloran a math teacher at Sydney, invented a new kind of game in Australian schools: a multiple choice questionnaire, corrected by computer, which meant that thousands of pupils could participate at the same time. Did you take the PSAT Math Practice Test If so, then it’s time to review your results to see where you went wrong and what areas you need to improve. To make the students realize that solving math problems is a very rewarding achievement.Attract students who are afraid of math, allowing them to discover his fun side.Promote the diffusion of basic mathematical culture.