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Contests & Programs AMC and other contests, summer programs, etc.
AMC and other contests, summer programs, etc.
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Contests & Programs AMC and other contests, summer programs, etc.
AMC and other contests, summer programs, etc.
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k a April Highlights and 2025 AoPS Online Class Information
jlacosta   0
Apr 2, 2025
Spring is in full swing and summer is right around the corner, what are your plans? At AoPS Online our schedule has new classes starting now through July, so be sure to keep your skills sharp and be prepared for the Fall school year! Check out the schedule of upcoming classes below.

WOOT early bird pricing is in effect, don’t miss out! If you took MathWOOT Level 2 last year, no worries, it is all new problems this year! Our Worldwide Online Olympiad Training program is for high school level competitors. AoPS designed these courses to help our top students get the deep focus they need to succeed in their specific competition goals. Check out the details at this link for all our WOOT programs in math, computer science, chemistry, and physics.

Looking for summer camps in math and language arts? Be sure to check out the video-based summer camps offered at the Virtual Campus that are 2- to 4-weeks in duration. There are middle and high school competition math camps as well as Math Beasts camps that review key topics coupled with fun explorations covering areas such as graph theory (Math Beasts Camp 6), cryptography (Math Beasts Camp 7-8), and topology (Math Beasts Camp 8-9)!

Be sure to mark your calendars for the following events:
[list][*]April 3rd (Webinar), 4pm PT/7:00pm ET, Learning with AoPS: Perspectives from a Parent, Math Camp Instructor, and University Professor
[*]April 8th (Math Jam), 4:30pm PT/7:30pm ET, 2025 MATHCOUNTS State Discussion
April 9th (Webinar), 4:00pm PT/7:00pm ET, Learn about Video-based Summer Camps at the Virtual Campus
[*]April 10th (Math Jam), 4:30pm PT/7:30pm ET, 2025 MathILy and MathILy-Er Math Jam: Multibackwards Numbers
[*]April 22nd (Webinar), 4:00pm PT/7:00pm ET, Competitive Programming at AoPS (USACO).[/list]
Our full course list for upcoming classes is below:
All classes run 7:30pm-8:45pm ET/4:30pm - 5:45pm PT unless otherwise noted.

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0 replies
jlacosta
Apr 2, 2025
0 replies
mdk2013
Mar 30, 2025
ZMB038
12 minutes ago
Titu Factoring Troll
GoodMorning   76
N 27 minutes ago by abbominable_sn0wman
Source: 2023 USAJMO Problem 1
Find all triples of positive integers $(x,y,z)$ that satisfy the equation
$$2(x+y+z+2xyz)^2=(2xy+2yz+2zx+1)^2+2023.$$
76 replies
1 viewing
GoodMorning
Mar 23, 2023
abbominable_sn0wman
27 minutes ago
Vertices of a pentagon invariant: 2011 USAMO #2
tenniskidperson3   52
N 2 hours ago by clarkculus
An integer is assigned to each vertex of a regular pentagon so that the sum of the five integers is 2011. A turn of a solitaire game consists of subtracting an integer $m$ from each of the integers at two neighboring vertices and adding $2m$ to the opposite vertex, which is not adjacent to either of the first two vertices. (The amount $m$ and the vertices chosen can vary from turn to turn.) The game is won at a certain vertex if, after some number of turns, that vertex has the number 2011 and the other four vertices have the number 0. Prove that for any choice of the initial integers, there is exactly one vertex at which the game can be won.
52 replies
tenniskidperson3
Apr 28, 2011
clarkculus
2 hours ago
Discuss the Stanford Math Tournament Here
Aaronjudgeisgoat   213
N 3 hours ago by PEKKA
I believe discussion is allowed after yesterday at midnight, correct?
If so, I will put tentative answers on this thread.
By the way, does anyone know the answer to Geometry Problem 5? I was wondering if I got that one right
Also, if you put answers, please put it in a hide tag

Answers for the Algebra Subject Test
Estimated Algebra Cutoffs
Answers for the Geometry Subject Test
Estimated Geo Cutoffs
Answers for the Discrete Subject Test
Estimated Cutoffs for Discrete
Answers for the Team Round
Guts Answers
213 replies
Aaronjudgeisgoat
Yesterday at 1:44 PM
PEKKA
3 hours ago
No more topics!
Orange MOP Opportunity
blueprimes   17
N Apr 3, 2025 by MathRook7817
Hello AoPS,

A reputable source that is of a certain credibility has communicated me about details of Orange MOP, a new pathway to qualify for MOP. In particular, 3 rounds of a 10-problem proof-style examination, covering a variety of mathematical topics that requires proofs will be held from September 27, 2025 12:00 AM - November 8, 2025 11:59 PM EST. Each round will occur biweekly on a Saturday starting from September 27 as described above. The deadline for late submissions will be November 20, 2025 11:59 PM EST.

Solutions can be either handwritten or typed digitally with $\LaTeX$. If you are sending solutions digitally through physical scan, please make sure your handwriting is eligible. Inability to discern hand-written solutions may warrant point deductions.

As for rules, digital resources and computational intelligence systems are allowed. Textbooks, reference handouts, and calculators are also a freedom provided by the MAA.

The link is said to be posted on the MAA website during the summer, and invites aspiring math students of all grade levels to participate. As for scoring, solutions will be graded on a $10$-point scale, and solutions will be graded in terms of both elegance and correctness.

As for qualification for further examinations, the Orange MOP examination passes both the AIME and USAJMO/USAMO requirement thresholds, and the top 5 scorers will receive the benefits and prestige of participating at the national level in the MOP program, and possibly the USA TST and the USA IMO team.

I implore you to consider this rare oppourtunity.

Warm wishes.
17 replies
blueprimes
Apr 2, 2025
MathRook7817
Apr 3, 2025
Orange MOP Opportunity
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blueprimes
326 posts
#1 • 12 Y
Y by arfekete, aidan0626, vadava_lx, eg4334, scannose, OronSH, Tem8, BananaPenguin, zhenghua, ruihl123, happypi31415, Jyuan26
Hello AoPS,

A reputable source that is of a certain credibility has communicated me about details of Orange MOP, a new pathway to qualify for MOP. In particular, 3 rounds of a 10-problem proof-style examination, covering a variety of mathematical topics that requires proofs will be held from September 27, 2025 12:00 AM - November 8, 2025 11:59 PM EST. Each round will occur biweekly on a Saturday starting from September 27 as described above. The deadline for late submissions will be November 20, 2025 11:59 PM EST.

Solutions can be either handwritten or typed digitally with $\LaTeX$. If you are sending solutions digitally through physical scan, please make sure your handwriting is eligible. Inability to discern hand-written solutions may warrant point deductions.

As for rules, digital resources and computational intelligence systems are allowed. Textbooks, reference handouts, and calculators are also a freedom provided by the MAA.

The link is said to be posted on the MAA website during the summer, and invites aspiring math students of all grade levels to participate. As for scoring, solutions will be graded on a $10$-point scale, and solutions will be graded in terms of both elegance and correctness.

As for qualification for further examinations, the Orange MOP examination passes both the AIME and USAJMO/USAMO requirement thresholds, and the top 5 scorers will receive the benefits and prestige of participating at the national level in the MOP program, and possibly the USA TST and the USA IMO team.

I implore you to consider this rare oppourtunity.

Warm wishes.
This post has been edited 3 times. Last edited by blueprimes, Apr 2, 2025, 3:32 AM
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arfekete
254 posts
#2 • 4 Y
Y by aidan0626, c_double_sharp, Lhaj3, PaixiaoLover
OMG this is insane https://cdn.artofproblemsolving.com/attachments/8/f/dd563511d84e17074753724edf4e3855e1c3e7.png
This post has been edited 1 time. Last edited by arfekete, Apr 2, 2025, 3:30 AM
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maxamc
538 posts
#3
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April fools
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blueprimes
326 posts
#4 • 1 Y
Y by arfekete
maxamc wrote:
April fools

Hello maxamc. I see you are clearly questioning the credibility of this pathway, but I assure you it is completely genuine. Countless individuals miss the rare oppurtunity of being able to participate at the highest levels of mathematics competitions, and the Orange MOP serves as a way for these underepresented groups in the mathematics community to be recognized. Please consider the alarming consequences of such comments before posting it, especially on AoPS.
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aidan0626
1836 posts
#5 • 5 Y
Y by arfekete, vadava_lx, Awaycappybara, alexanderhamilton124, thinkcow
they posted some basic info about it here
as said in the op, more info will come in the summer
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jb2015007
1858 posts
#6
Y by
bro there have been at least 1434 of those today
no ones clicking dat
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AidenGeng
50 posts
#7 • 2 Y
Y by Amkan2022, Lhaj3
arfekete wrote:
OMG this is insane https://cdn.artofproblemsolving.com/attachments/8/f/dd563511d84e17074753724edf4e3855e1c3e7.png

bro where did you get that can you like put a link i wanna see because when i searched up orange MOP i just got literal orange mops
This post has been edited 1 time. Last edited by AidenGeng, Apr 2, 2025, 3:57 AM
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fake123
86 posts
#8
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Wow! This is such an amazing opportunity!
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ethan2011
272 posts
#9
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Why do I feel like this is worse than being able to automatically jmo qual with 68+ usamts and 9 aime this year
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maxamc
538 posts
#10
Y by
AidenGeng wrote:
arfekete wrote:
OMG this is insane https://cdn.artofproblemsolving.com/attachments/8/f/dd563511d84e17074753724edf4e3855e1c3e7.png

bro where did you get that can you like put a link i wanna see because when i searched up orange MOP i just got literal orange mops

arfekete and blueprimes i assume pmed each other so after arfekete used inspect on an maa news article, he/she told blueprimes to post about Orange MOP.
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MathRook7817
651 posts
#11
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this is a joke right?
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BS2012
981 posts
#12
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MathRook7817 wrote:
this is a joke right?

Categories: April Fools
News Types: Misinformation
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Andyluo
920 posts
#13
Y by
wow this is amazing! I just signed up recently, and the link in post #5 is an excellent way to get started.
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pingpongmerrily
3564 posts
#14
Y by
wait i'm confused is this real
like its kinda obviously a prank but the screen shot looks real
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MrMustache
2964 posts
#15
Y by
Yes its real obviously
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MathPerson12321
3697 posts
#16
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Me when they release it at the worst possible time
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fruitmonster97
2466 posts
#17 • 4 Y
Y by Sedro, alexanderhamilton124, anticodon, scannose
I GOT ORANGE MOP :O :O
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MathRook7817
651 posts
#18
Y by
fruitmonster97 wrote:
I GOT ORANGE MOP :O :O

Wow me too!
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