Mathematical Zanzibar" X8th Kiev tournament of mathematical battles named after Lesya Rubleva

Mathematical Zanzibar" X8th Kiev tournament of mathematical battles named after Lesya Rubleva

Sunday, September 13, 2020

I emphasize that we will carry out all our activities in accordance with the

epidemiological situation in Ukraine and the current restrictions in force

in Kyiv and KNU them.Shevchenko

1. Nearest plans for the beginning of the new academic year

2. Mathematical zanzibar of Kyiv tournament

3. Registration for mathematical zanzibar

1. Nearest plans for the beginning of the new academic year

September 13, 2020 Mathematical Zanzibar (CT), teams of 6 participants, grades 7-11

September 18 – LHI International Mathematical Olympiad (on-line) –

September 28, 2020 6 participants, 9–11 classes

September 27, 2020 Oral Team Olympiad (CT), teams of 8 participants, 7-11 classes

04 October 2020 Math zanzibar for students of 4-6 grades, teams of 2-3 participants, 4-6 classes

October 10 – Selection of Ukraine's team for international mathematical

October 14, 2020 Olympiad –8-11 classes (in the program – 3 rounds of selection)

On October 11, 2020, the Selection of the Kyiv team to participate in the Veterans and

Junior – grades 7-11 (in the program – 1 round of selection)

October 25
– XIV All-Ukrainian Tournament of Mathematical Battles named after

01 November 2020 Academician Lyashko I.I., 30 teams (6 each) – 180 participants, 7-11 classes

(the program – team and personal Olympiads, 4 rounds of mathematical battles and mathematical zanzibar)

I give here these are our plans that have already been listed on the site, but the constant questions "what, where, when" require this duplication.

2. Mathematical zanzibar of Kyiv tournament

We will start olympiad competitions this year with a mathematical zanzibar. It is included in the program of the eighteenth tournament of mathematical battles named after Lesya Rubleva. As in all recent years, the tournament (including mathematical zanzibar) will be held in four leagues: the youngest (NL) – no older than 7 class, junior (ML) – 8 classes, middle (SL) – 9 classes and senior (ST) – 10-11 classes. Permissible, but not desirable, the participation of some students or entire teams in a higher parallel compared to their true learning class. The event will be held at the Faculty of Mechanics and Mathematics (M) and the Faculty of Computer Science and Cybernetics (K) of Taras Shevchenko National University of Kyiv at glushkov Avenue 4d and 4th, respectively.

The exact schedule of the event will be given immediately upon completion of the registration. But in order to avoid the large crowding of children during Zanzibar, it will be carried out in 2018. This will reduce the filling of the audiences in which children will compete.

Two leagues – secondary and senior will compete from 9:00 to 11:00, senior – at the Faculty of Mechanics and Mathematics (M), secondary – at the Faculty of Computer Science and Cybernetics (K).

The other two leagues – the youngest and the youngest – will compete from 12:00 to 14:00, the youngest – at the Faculty of Mechanics and Mathematics, the youngest – at the Faculty of Computer Science and Cybernetics.

At 11:30 a.m., a meeting with teachers will begin, probably as usual in the aud. 221K.

As in recent years, we have introduced certain restrictions on the number of teams that will be able to participate in zanzibar both on a free basis and in general. If it is not possible to place all registered teams under normal conditions, the organizing committee may reduce the number of teams in certain leagues by reducing the number of teams from educational institutions that will declare the largest number of teams. We will inform the educational institutions about our decision to reduce the number of their teams in the event, but to decide which teams to leave and which to remove (or simply reformat the compositions of all teams) will be decided by teachers – representatives of the educational institution. The team registration speed should not affect this decision.

From each educational institution on a free basis in Zanzibar can take part:

up to 3 teams in the youngest league,

up to 2 teams in the junior and secondary leagues and

up to 4 teams in the senior league.

For each additional team above the above quota, which will be allowed to participate, it will be necessary to contribute 250 UAH to the fund of our tournament at the teachers' meeting.

It is undesirable not to arrive at the zanzibar teams for which the organizing committee has participated. It is completely impossible to participate in the event of teams that were not registered at all, or those for whom the decision to refuse was made regarding their participation. Similarly, it is not possible to participate in one team of less than 4 or more students.

I ask that the registration be carried out by adults responsible for this team during the event. They should decide if fewer or more participants arrive, not the organizing committee or jury of the tournament.

I also ask teachers to help children get acquainted with the rules of "mathematical zanzibar" in advance so that children do not lose points because of misunderstanding or misinterpretation of the rules. The main nuances of Zanzibar are that the team in full solves all tasks in random order. As soon as she believes she has solved the problem and is ready to give the jury an answer, she passes the recorded response to the jury. Then there is the recalculation of points in all teams for this task. Let me remind you that with the correct answer of the next team, everyone who has solved it correctly receives 1 point less, and with the wrong answer – 1 point more. Therefore, unlike other competitions, with your wrong answer, you do not lose your chances to score points on this task, but also increase the achievement of opponents. Do not forget that if there are several correct answers in the task, then only guiding them all is counted.

The use of any electronic means, in the case of even micro-accumulators, is prohibited. I also ask you to be attentive during Zanzibar and not to violate discipline during the event – to discuss tasks too loudly, how to interfere with other teams, to communicate with participants from other teams, to communicate with strangers (parents, teachers) in the corridors, etc.

3. Registration for mathematical zanzibar

Mathematical zanzibar is a team competition. Each team must have no more than 6 students. Each team receives 20 tasks. The duration of the event in all leagues is 2 hours (120 minutes). If individual participants wish to participate in the event, they must use this site or by any other means to join teams and find an adult responsible person for this team.

Registration will start on this site from the moment it appears and will continue

until 14:00 Wednesday 09 September 2020.

After that, the distribution of the teams admitted to participation in the audiences, the exact start time of the competition and other information will be given.

Link to registration form

Registration verification

Glory to Ukraine!

Glory to the heroes!


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