World Youth Mathematics Intercity Competition
Durban, South Africa
5th to 10thJuly 2009
Competition Regulations
1. The competition papers are set and reviewed by the 2009 IWYMIC International Jury.
2. The competition will consist of two papers: an Individual Contest and a Team Contest.
3. A Team Leaders’ Meeting will be held at 15.00 on Monday 6th July in the Royal Hotel to attend to various businessmatters. These includethe translation of the competition papers intovarious national languages(as requested by some countries), and to do the draw to determine the grouping of the teams.The official language of the competition is English.
4. The competition will be held on Wednesday 8th July in the DurbanCity Hall. The Individual Contestwill take place in the morning from 10.00 to 12.00 (two hours). The Team Contest will takeplace from 14.00 to 15.00 in the afternoon (one hour).
5. Answers and solutions must be written on the official sheets that will be given to the contestants.
6. Only writing implements and geometric instruments may be taken into the competition hall. Protractors, calculators, electronic devices, food, bags etc are not allowed into the competition hall.
8. The results will be announced on the afternoon of Thursday 9th July, during the Closing Ceremony.
The structure of the question papers and the schedule of awards
- The Individual Contest
The Individual Contest consists of 15 questions. The first 12 questions only require answers; the blanks are to be filledin on the question paper. The last 3 questions are of a computational nature and answers should include detailed working and explanations. Thefirst 12 questions are worth 5 points each and the last three questions are worth 20 points each. This gives a maximum total of120 points.
2. Individual Contest Awards
Approximately two-thirds of the contestants will receive an Individual Award;these will be in the form of Gold, Silver or Bronze Medals or Honorable Mention certificates. These will be awarded in the approximate ratio of 1:2:3:4.
3.Group Awards for the Individual Contest
In each team the three highest scores for the Individual Contest will be totaled. In each group, prizes will be given to the three teams achieving the highest scores. In the case of a tie within a group, the team with the contestant who scores the highest mark in the Individual Contest will win.
4. The Team Contest
There are 10 problems in the Team Contest, arranged in increasing order of difficulty. Each question is worth 40 marks which gives a total of 400 marks for the paper. Each question is printed on a separate sheet of paper.
The four team members are allowed 10 minutes to discuss and distribute the first 8 problems amongstthemselves; each contestant must take at least one problem to solve. Each contestant will then have 35 minutes to independently solve their problem/swith no further discussion during this time. Problems may not be exchanged during this time.
The four team members are then allowed 15 minutes to work as a team to solve the last 2 problems together.
To score 40 marks for a question the full solution must be written down. Partial marks may be awarded for incomplete solutions.
The total score of all contestants in each team is considered to be the team score.
The teams are first ranked by their total scores. In the case of a tie the scores of individual problems are considered, starting with the most difficult one.
5. Team Group Awards
Awards will be given to the three teams achieving the highest scores in each of the different groups.
These will be The Champion Team, the First Runner-up and the Second Runner-up.
There will also be 4 merit awards in each group.
6. Grand Prize:
The Grand Prize is awarded by totaling the scores of the four members in a team for the Individual Contest and the team’s score in the Team Contest. The maximum score is4×120+400=880.
The awards will be Champion Team for the winning team, Second Runner-up and Third Runner-upand an Honorable Mention are also awarded.
7. Special Awards:
In addition, other types of Awards will also be presented at the ClosingCeremony:
(a) The fourteamswhich give the bestperformances at the Cultural Evening will receive an award.
The Adjudicating Committee will consider artistic performance,creativity, costumes and the overall impression. The awards will be Presentation (2) and Innovation (2).
(b) The members of Organizing Committee and the Team Hosts will, on 9th July, vote for the fourteams that have best exhibited the spirit of friendship and cooperation during the week of the competition. These will be the Popularity Award (2) and the Cooperation Awards (2).
比賽規則
(1)比賽試題由“2009年國際數學競賽評審委員會”負責命題和審定。
(2)比賽項目分個人筆試及團體合作解題二部分。
(3)各領隊於7月6日下午三時參與分組抽籤及競賽試卷的翻譯(如有必要，官方提供南非文、英文、簡體中文、正體中文試卷)等事宜。
(4)比賽時間定於2009年7月8日舉行。上午10:00—12:00進行2小時的個人筆試，下午14:00—15:00進行1小時的團隊合作解題。
(5)所有答案必須書寫在大會所提供之試卷上。
(6)除了應考文具之外，禁止攜帶各種計算器具、量角器、書籍、筆記、手機等電子用品、食物、背包進入試場。
(7)答卷將由評審委員會委任的評分團評閱。
(8)成績公佈及頒獎典禮於2009年7月9日下午舉行。
獎 項
(1)個人賽獎項：
試題包括填充題12題與計算證明題3題，填充題只須在空格內填寫答案，不須計算過程，每題5分；計算證明題必須詳細填寫計算過程或證明，每題20分，根據答題情況給與部份分數。個人賽總分120分，依成績高低排序，約三分之二的參賽學生頒發獎項，金、銀、銅牌和佳作獎之比例約為1：2：3：4。
(2)團體獎：計算每隊隊員在個人筆試競賽中分數最高的三位的成績之總和作為團隊分數。每組頒發冠軍1隊、亞軍2隊、季軍3隊。
(3)隊際賽獎：隊際賽共10題：由易至難安排題號，每題單獨印在1張A4紙上。四名隊員可先利用10分鐘討論前8題及分題，每位學生至少要分得一題。然後分開各自作答，不可再交換題目或討論，答題時間35分鐘。四名隊員可一起利用15分鐘討論最後2題並合作解題，每題40分，斟酌情況給部份分數。依總分優先評比，分數相同時視哪一隊在最難的問題上得到最多分，依次再比下去。每組頒發冠軍1隊、亞軍2隊、季軍3隊、優勝4隊。
(4)總優勝獎：依各隊四名隊員分組筆試個人成績及分組團體合作解題成績計算總和(滿分為4x120+400=880分)，取全體最高的前四隊頒發冠、亞、季軍、優勝。
(5)特別獎項：
(a)在文化之夜表現最佳之團隊由大會評審出最有創意及獨特之隊伍各二隊，頒發創意獎、造型獎。
(b)由各隊輔導員與主辦單位工作人員於2009年7月9日前投票選出表現最友好及最守團體紀律之隊伍各二隊，頒發友誼獎、合作獎。
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