{"ops":[{"attributes":{"bold":true},"insert":"We are testing an AI tutor for problem solving. The tutor helps students learn by asking guiding questions, instead of solving directly. "},{"attributes":{"list":"ordered"},"insert":"\n"},{"insert":"\n"},{"attributes":{"bold":true},"insert":"Try it out and we would love to hear your thoughts:"},{"insert":"\n "},{"attributes":{"link":"ai_tutor"},"insert":" MathCup AI Tutor "},{"insert":"\n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"MathCup's Middle division team placed in the TOP 3 in 2023 GAIM Contest!"},{"insert":"\n\nOur team 1 won 3rd place nationwide, in this high quality and very competitive contest.\nCongratulations to team members: Alethea, Ava, Narnia, and Taryn.\n"},{"attributes":{"color":"#1155cc","link":"https://www.girlsadventuresinmath.com/2023-regional-award-winners"},"insert":"https://www.girlsadventuresinmath.com/2023-regional-award-winners"},{"insert":"\n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"MathCup PI Day 2023 Tournament Results available "},{"insert":"\n\n"},{"attributes":{"link":"https://mathcup.com/tournament"},"insert":"https://mathcup.com/tournament"},{"insert":"\n\nIf you participated, you can check your worksheet on that page after you login; if not, you can try the problems. \n"},{"attributes":{"header":1},"insert":"\n"}]}

{"ops":[{"insert":"Two MathCup students ranked in top 6 in the annual Mathworks Math Contest, among 841 contestants: \n\n"},{"attributes":{"bold":true},"insert":"Name. Score ranking"},{"insert":"\nAlethea Liu 12 6 \nDaniel Jin 12 6\n\n\nCongratulations to these students! \n\n"},{"attributes":{"color":"#222222"},"insert":"MathWorks math contest is a rather difficult 2 hour, 15 question \"show your work\" contest rated at a 6th-8th grade level."},{"insert":"\n\n"},{"attributes":{"link":"https://www.txst.edu/mathworks/MMC.html"},"insert":"https://www.txst.edu/mathworks/MMC.html"},{"insert":"\n\n"}]}

{"ops":[{"insert":"We are excited to announce a "},{"attributes":{"bold":true},"insert":"learning by problem-solving "},{"insert":"program for the 7-th and 8-th graders, especially those not challenged enough in their in-school math classes. This math enrichment program will consist of 16 weekly problem sets, as well as weekly teacher’s sessions to answer questions.\n\nThe weekly topics are based on the curricula of a couple of "},{"attributes":{"bold":true},"insert":"prestigious New York City gifted and talented schools"},{"insert":", and they go beyond the requirement of the common core. The difficulty of problems range from basics to challenging. Each problem will have detailed solutions, and similar problems for more practice.\n\n"},{"attributes":{"bold":true},"insert":"Here is a "},{"attributes":{"color":"#6666ff","link":"https://www.mathcup.com/problemsetmain#!/probset/3487"},"insert":"sample problem set for the 7-th grade."},{"insert":"\n\nThe fall program starts on the week of 09/25/2022 and ends the week of 01/15/2023.\n\n"},{"attributes":{"bold":true},"insert":"7-th Grade Math Enrichment: "},{"attributes":{"color":"#6666ff","link":"https://www.mathcup.com/classroom#!/179"},"insert":"Program details and registration information."},{"insert":"\n\n"},{"attributes":{"bold":true},"insert":"8-th Grade Math Enrichment: "},{"attributes":{"color":"#6666ff","link":"https://www.mathcup.com/classroom#!/181"},"insert":"Program details and registration information."},{"insert":"\n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"MathCup Congratulates the following students for their outstanding performance in competitions this year:"},{"insert":"\n\n "},{"attributes":{"bold":true},"insert":"USAMO"},{"insert":": Jason Mao\n \n "},{"attributes":{"bold":true},"insert":"AIME"},{"insert":": Jason Mao, Daniel Jin\n\n "},{"attributes":{"bold":true},"insert":"AMC 8"},{"insert":": "},{"attributes":{"bold":true},"insert":"DHR"},{"insert":": Daniel Jin; "},{"attributes":{"bold":true},"insert":"HR"},{"insert":": Kevin Feng\n\n "},{"attributes":{"bold":true},"insert":"JHMMC"},{"insert":": Daniel Jin 7th grade Gold; Kevin Feng 6th grade Gold; Serena Shao 6th grade Bronze\n\n \n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"MathCup Students' performance in 2020 AMC 8"},{"insert":"\n\n"},{"attributes":{"bold":true},"insert":"Distinguished Honour Roll: (nation top 1%) cutoff 21"},{"insert":"\nJason Mao 8th grade 25 \nDaniel Jin 6th grade 23\n\n"},{"attributes":{"bold":true},"insert":"Honour Roll: (nation top 5%) cutoff 18 "},{"insert":"\nKevin Feng 5th grade 19\n\n"},{"attributes":{"bold":true},"insert":"Achievement Roll: (Grade 6 or below who scored above 15)"},{"insert":" \nDaniel Jin 6th grade 23\nKevin Feng 5th grade 19\nAudrey Ma 5th grade 16 \n\n\n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"2020 JHMMC Results - MathCup students performed well!"},{"insert":"\n\n8th grade:\n Jason 2nd place\n6th grade: \n DanielJin 2nd place\n5th grade:\n KevinFeng 6th place\n \n\nFor problems and resuls, see "},{"attributes":{"link":"https://holbrook.bergen.org/archive"},"insert":"https://holbrook.bergen.org/archive"},{"insert":"\n"}]}

{"ops":[{"insert":"Mathematicians behind JPEG files honored by Spanish award"},{"attributes":{"header":1},"insert":"\n"},{"insert":"\n"},{"attributes":{"color":"#212438"},"insert":"An international team of mathematicians whose theories have improved the compression of large digital files of data, including images and sound, will be recognized with one of the most prestigious awards in the Spanish-speaking world."},{"insert":"\n\n"},{"attributes":{"color":"#212438"},"insert":"The Spanish foundation that organizes the annual Princess of Asturias awards said Tuesday that the 2020 prize for Scientific and Technical Investigation will go to Yves Meyer, Ingrid Daubechies, Terence Tao and Emmanuel Candes."},{"insert":"\n\n"},{"attributes":{"link":"https://phys.org/news/2020-06-mathematicians-jpeg-honored-spanish-award.html"},"insert":"https://phys.org/news/2020-06-mathematicians-jpeg-honored-spanish-award.html"},{"insert":"\n"}]}

{"ops":[{"insert":"AMC Competition Updates "},{"attributes":{"header":1},"insert":"\n"},{"attributes":{"header":2},"insert":"\n"},{"insert":"USOMO and USOJMO Qualification"},{"attributes":{"header":2},"insert":"\n"},{"insert":"\nUSO(J)MO will take place online on June 19 and 20.\nUSOMO and USOJMO cutoffs.\n\n"},{"attributes":{"width":"469"},"insert":{"image":"https://www.maa.org/sites/default/files/images/AMC/usamo/cutoff%20scores1.png"}},{"insert":"\n\nThis year's IMO will be online too. \n"}]}

{"ops":[{"insert":"Solution to century-old math problem could predict transmission of infectious diseases"},{"attributes":{"header":1},"insert":"\n"},{"insert":"\nA Bristol academic has achieved a milestone in statistical/mathematical physics by solving a 100-year-old physics problem—the discrete diffusion equation in finite space."},{"attributes":{"link":"https://phys.org/news/2020-05-solution-century-old-math-problem-transmission.html"},"insert":" READ MORE"},{"insert":"\n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"2020 MathCup PI Day Tournament Results Available"},{"insert":"\n\nThanks for participating in the 2020 MathCup PI Day Tournament during this special period of time! \n\nResults are out, please check them out. \n"},{"attributes":{"bold":true,"background":"#ffffff","link":"https://www.mathcup.com/tournament"},"insert":"Go To Tournament"},{"insert":"\n\nGraded papers, standard answers are available for you to review. If you did not take it during the contest, \nyou can try the contest problems now. \n\nStay healthy and keep Learning!\n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"2020 MathCup PI Day Tournament is ON! "},{"insert":"\n\nThe PI Day Tournament is ongoing! \n\n"},{"attributes":{"bold":true,"background":"#ffffff","link":"https://www.mathcup.com/tournament"},"insert":"Go To Tournament"},{"insert":"\n\nThe goal of this tournament is to provide a challenging, engaging online experience to stimulate interest and love in mathematics, for a broad range of students.\n\nThe tournament is for students between third and eighth grade; lower grades' kids are welcomed to try as well. \n\nRegistration is free. Please forward to friends who might be interested.\n\n\n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"2020 AMC 10/12 Important Dates "},{"insert":"\n\nAMC 10/12 will be administered around the country on Thursday, January 30, 2020 and Wednesday, February 5, 2020. The AMC 10/12 provides an opportunity for high school students to develop positive attitudes towards analytical thinking and mathematics that can assist in future careers. The AMC 10/12 is the first in a series of competitions that eventually lead all the way to the "},{"attributes":{"link":"http://www.maa.org/news/us-wins-first-place-at-international-mathematics-competition-in-hong-kong"},"insert":"International Mathematical Olympiad "},{"insert":"(see "},{"attributes":{"link":"http://www.maa.org/math-competitions/amc-contests/invitational-competitions"},"insert":"Invitational Competitions"},{"insert":").\n\n"},{"attributes":{"bold":true},"insert":"AMC 10/12 A Competition Date: Jan 30, 2020"},{"insert":"\n"},{"attributes":{"bold":true},"insert":"AMC 10/12 B Competition Date: Feb 5, 2020"},{"insert":"\n\nStudents can practice on our platform "},{"attributes":{"link":"problemsetmain"},"insert":"AMC Problem Sets"},{"insert":". \n\n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"2019 AMC 8 contest results are out. "},{"insert":"\n\n2019 AMC 8 was held on Tuesday Nov 12, 2019. This year's contest is easier than the previous two years. Official problems and answers are out now. You can try it out on MathCup "},{"attributes":{"link":"https://www.mathcup.com/problemsetmain#!/"},"insert":"https://www.mathcup.com/problemsetmain#!/"},{"insert":"\n\nOur prediction DHR and HR are both off by 1 point. The actual DHR is 23/25; HR is 19/25. The following members of MathCup performed well: (Please report your score, together with username, to us at imathcup@gmail.com) \n"},{"attributes":{"bold":true},"insert":"DHR:"},{"insert":"\nJason grade 7 25/25\nDunDun grade 7 24/25\n"},{"attributes":{"bold":true},"insert":"HR: "},{"insert":"\nAndy181 grade 8 22/25\nallison_jin grade 8 20/25\ndaniel_jin grade 5 20/25\nsophiechen grade 5 19/25\nzhuangxt grade 4 19/25\n\nOfficial 2019 AMC 8 results and more statistics are online: "},{"attributes":{"link":" https://amc-reg.maa.org/reports/generalreports.aspx"},"insert":"2019 AMC Statistics"},{"insert":" \n\n"}]}

{"ops":[{"insert":"2019 AMC 8 contest was held on Tuesday Nov 12, 2019. This year's contest is easier than the previous two years. Official problems and answers are out now. You can try it out on MathCup "},{"attributes":{"link":"https://www.mathcup.com/problemsetmain#!/"},"insert":"https://www.mathcup.com/problemsetmain#!/"},{"insert":"\n\nOur prediction for DHR and HR:\nDistinguished Honor Roll: 22 / 25\nHonor Roll: 18 / 25\n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"2019 AMC 8 Important Dates:"},{"insert":"\n"},{"attributes":{"background":"transparent"},"insert":"Regular Registration Deadline: 10/29/2019"},{"attributes":{"list":"bullet"},"insert":"\n"},{"attributes":{"background":"transparent"},"insert":"Late Registration Deadline: 11/5/2019"},{"attributes":{"list":"bullet"},"insert":"\n"},{"attributes":{"background":"transparent"},"insert":"Competition Date: "},{"attributes":{"background":"transparent","bold":true},"insert":"11/12/2019"},{"attributes":{"list":"bullet"},"insert":"\n"},{"insert":"\n"},{"attributes":{"bold":true},"insert":"What is AMC 8? "},{"insert":"\nThe AMC 8 is a 25-question, 40-minute, multiple choice examination in middle school mathematics designed to promote the development of problem-solving skills. \n\n"},{"attributes":{"bold":true},"insert":"How to Practice?"},{"insert":"\nTry the "},{"attributes":{"link":"AMC_problemsets"},"insert":"AMC problem sets on MathCup"},{"insert":", where you can practice with timer and auto-grade. \n"}]}

{"ops":[{"insert":"The following MathCup members placed well in the 2019 "},{"attributes":{"link":"https://holbrook.bergen.org/"},"insert":"Joe Holbrook Memorial Math Competition"},{"insert":":\n "},{"attributes":{"bold":true},"insert":" Username"},{"insert":" "},{"attributes":{"bold":true},"insert":"placement"},{"insert":" \nJason 1st place in 7th grade"},{"attributes":{"list":"ordered"},"insert":"\n"},{"insert":"ShiningSun 4th place in 5th grade"},{"attributes":{"list":"ordered"},"insert":"\n"},{"insert":"Daniel_Jin 7th place in 5th grade"},{"attributes":{"list":"ordered"},"insert":"\n"},{"insert":"KevinFeng 2nd place in 4th grade"},{"attributes":{"list":"ordered"},"insert":"\n"},{"insert":"ericzhuang 8th place in 4th grade"},{"attributes":{"list":"ordered"},"insert":"\n"},{"insert":"\nWe would like to congratulate them on their outstanding results!\n\nFor detailed results and this year's problems, please checkout "},{"attributes":{"link":"https://holbrook.bergen.org/archive"},"insert":"JHMMC page."},{"insert":" \n"}]}

{"ops":[{"insert":"MathCup will host annual MathCup Pi Day Tournament on March 14, 2019. We invite all interested students in grade 3-8 to join this friendly tournament. Registration is free, and is now open. \n"},{"attributes":{"bold":true,"link":"https://www.MathCup.com/tournament"},"insert":"MathCup.com/tournament"},{"insert":"\n\n\n"}]}

{"ops":[{"insert":"\nI would like to share with you a great book to prepare math competitions: The Contest Problem Book IX from Mathematica Association of America. This book collects AMC 12 problems from 2001 to 2007, with detailed solutions. "},{"attributes":{"link":"https://matikzone.files.wordpress.com/2011/02/9-the-contest-problem-book-ix-2001-2007.pdf"},"insert":"AMC12 2001-2207"},{"insert":"\n"}]}

{"ops":[{"insert":"MathCup is starting a new video lessons' series: the WHY series. Each lesson covers a \"why\" topic. For example, the first two video lessons are:\nWhy 0.999.... equals to 1? "},{"attributes":{"list":"ordered"},"insert":"\n"},{"insert":{"video":"https://www.youtube.com/embed/iQVEPCJ4UhQ?showinfo=0"}},{"attributes":{"list":"ordered"},"insert":"\n"},{"insert":"\n 2 Why sqrt(2) is irrational? \n"},{"insert":{"video":"https://www.youtube.com/embed/4EqimcyeBEE?showinfo=0"}},{"insert":"\n\nCheck them out! They are also available on MathCup.com video main site. \n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"Students and Parents - Register to take 2019 Math Kangaroo "},{"insert":"\n\nThe test will be held on March 21, 2019. It is one of the interesting math contests available for all grades 1-12. \n\nThe registration is at "},{"attributes":{"link":"http://www.mathkangaroo.us/mk/default.html"},"insert":"mathkangaroo us webpage"},{"insert":". \n\nFor NJ students, you can see the "},{"attributes":{"link":"https://mathkangaroo.oasis-lms.com/Public/Catalog/Home.aspx?Criteria=7&Option=41"},"insert":"list"},{"insert":" of the test centers, \n"}]}

{"ops":[{"attributes":{"bold":true},"insert":"DO NOT BE FOOLED BY THE FIRST FEW TERMS! "},{"insert":"\n\n"},{"attributes":{"color":"#000000"},"insert":"Mathematics is often described as the study of patterns. So the most basic mathematical question you might ask could be, well, how do I know a pattern when I see one? For a pattern to be interesting, we want there to be a simple rule that allows us to predict how some process will behave. The simplest examples are rules for generating sequences of numbers – (i) to get the next even number, we just add two; {ii) to get the next Fibonacci number, we add the previous two numbers in the sequence together; (iii) to get the("},{"attributes":{"color":"#000000","italic":true},"insert":"n"},{"attributes":{"color":"#000000"},"insert":"+1)"},{"insert":"th square number we can add 2"},{"attributes":{"color":"#000000","italic":true},"insert":"n"},{"attributes":{"color":"#000000"},"insert":"+1 "},{"insert":"to the "},{"attributes":{"color":"#000000","italic":true},"insert":"n"},{"attributes":{"color":"#000000"},"insert":"th"},{"insert":"\n"},{"attributes":{"color":"#000000"},"insert":"... We can check that these patterns work for "},{"attributes":{"color":"#000000","italic":true},"insert":"n"},{"attributes":{"color":"#000000"},"insert":"=1"},{"insert":"\n, and then for "},{"attributes":{"color":"#000000","italic":true},"insert":"n"},{"attributes":{"color":"#000000"},"insert":"=2"},{"insert":"\n, and for "},{"attributes":{"color":"#000000","italic":true},"insert":"n"},{"attributes":{"color":"#000000"},"insert":"=3"},{"insert":"\n, and at that point it's tempting to just say, well, it must keep on going, right?\n\nKeep reading this interesting article \""},{"attributes":{"link":"https://nrich.maths.org/7665"},"insert":"On the Importance of Pedantry"},{"insert":"\" \n\n\n"}]}

AMC 8 regular registration deadline is tomorrow! \(\\\) What is the AMC 8? \(\\\) The AMC 8 is a 25-question, 40-minute, multiple choice examination in middle school mathematics designed to promote the development of problem-solving skills. The AMC 8 provides an opportunity for middle school students to develop positive attitudes towards analytical thinking and mathematics that can assist in future careers. Students apply classroom skills to unique problem-solving challenges in a low-stress and friendly environment. \(\\\) REGISTER FOR THE 2018 AMC 8 \(\\\) You can also mail, email, or fax the 2018 AMC 8 Paper Registration form. \(\\\) Registration Deadlines and Competition Date \(\\\) Early Bird Registration Deadline: October 1, 2018\(\\\) Regular Registration Deadline: October 29, 2018 \(\\\) Late Registration Deadline: November 5, 2018 \(\\\) Competition Date: November 13, 2018 \(\\\)

\(Tusi Couple\\\) We let a circle roll inside a circle that's exactly twice as big, and we track a point on the rolling circle. What is the curve made by that tracked point? Excitingly, if we track a point on the rolling circle, it traces out a straight line! Can you see why? \(\\\) This is known as the \(Tusi couple\). To find out this exciting and mysterious fact, please go to: http://www.math.ucr.edu/home/baez/rolling/rolling_3.html