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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)!

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[list][*]April 3rd (Webinar), 4pm PT/7:00pm ET, Learning with AoPS: Perspectives from a Parent, Math Camp Instructor, and University Professor
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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]
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0 replies
jlacosta
Apr 2, 2025
0 replies
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State target p8 sol
EaZ_Shadow   72
N 2 hours ago by SI113
This solution was so educational! It helped me understand how to solve this problem in many ways I couldn't, and I feel so enlightened!
72 replies
+1 w
EaZ_Shadow
Apr 6, 2025
SI113
2 hours ago
J
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Bogus Proof Marathon
pifinity   7553
N Today at 5:38 AM by dstanz5
Hi!
I'd like to introduce the Bogus Proof Marathon.

In this marathon, simply post a bogus proof that is middle-school level and the next person will find the error. You don't have to post the real solution :P

Use classic Marathon format: 
[hide=P#]a1b2c3[/hide]
[hide=S#]a1b2c3[/hide]


Example posts:

P(x)
-----
S(x)
P(x+1)
-----
Let's go!! Just don't make it too hard!
7553 replies
pifinity
Mar 12, 2018
dstanz5
Today at 5:38 AM
J
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Nice Combinatorics Problem
RabtejKalra   9
N Today at 3:21 AM by maxamc
A number is considered happy if it contains at least one digit exactly twice. For instance, the numbers 2020 and 2024 are happy, but the numbers 2019 and 2022 are not. How many happy counting numbers are there that are less than 10,000?
9 replies
RabtejKalra
Yesterday at 10:16 PM
maxamc
Today at 3:21 AM
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Facts About 2025!
Existing_Human1   240
N Yesterday at 11:58 PM by Robert00
Hello AOPS,

As we enter the New Year, the most exciting part is figuring out the mathematical connections to the number we have now temporally entered

Here are some facts about 2025:
$$2025 = 45^2 = (20+25)(20+25)$$$$2025 = 1^3 + 2^3 +3^3 + 4^3 +5^3 +6^3 + 7^3 +8^3 +9^3 = (1+2+3+4+5+6+7+8+9)^2 = {10 \choose 2}^2$$
If anyone has any more facts about 2025, enlighted the world with a new appreciation for the year


(I got some of the facts from this video)
240 replies
Existing_Human1
Jan 1, 2025
Robert00
Yesterday at 11:58 PM
J
No more topics!
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J
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After Mathcounts
Existing_Human1   15
N Apr 6, 2025 by jb2015007
Hello Community!

I am officially done with my mathcounts career, as I have officially failed state, and I am now left an aloof blob reminiscing about the good old days.

So ... I was wondering if any of you have fun competitions I can do to relive the glory days of mathcounts. Obviously, their are the AMCs but I'm looking for something more team/travel based and one that preferably has a CDR.

Please specify if the competition is team based and if it has a cdr, and also when it takes place

Thank you in advance!
15 replies
Existing_Human1
Apr 5, 2025
jb2015007
Apr 6, 2025
J
After Mathcounts
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Reveal topic tags
MATHCOUNTS
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Existing_Human1
208 posts
Existing_Human1
#1 h  Apr 5, 2025, 6:21 PM • 2 Y
Y by PikaPika999, RocketScientist
Hello Community!

I am officially done with my mathcounts career, as I have officially failed state, and I am now left an aloof blob reminiscing about the good old days.

So ... I was wondering if any of you have fun competitions I can do to relive the glory days of mathcounts. Obviously, their are the AMCs but I'm looking for something more team/travel based and one that preferably has a CDR.

Please specify if the competition is team based and if it has a cdr, and also when it takes place

Thank you in advance!
Z K Y
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Dream9
82 posts
Dream9
#2 h  Apr 5, 2025, 6:23 PM • 1 Y
Y by PikaPika999
BmMT. Berkely mini math tornement. it's team based and registration ends today. The competition is online and in-person on June 7th
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franklin2013
235 posts
franklin2013
#3 h  Apr 5, 2025, 7:12 PM • 1 Y
Y by PikaPika999
Yes! BmMT is definitely a great choice. in fact I'm competing in the online tournament!
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Andyluo
916 posts
Andyluo
#4 h  Apr 5, 2025, 7:23 PM • 1 Y
Y by PikaPika999
here's some math stuff I'm going to do in the future

USAMTS (if can oly qual)
SMT Online
Purple Comet
MC Nationals
ARML
(Bmmt is probably good)
AMC 10/12
AIME
USAJMO trust
Ohio Math League (state stuff)
HMMT November
HMMT Februrary
CAMP stuff?
MOP!?!?!?!??!?!??!?!?!? (not happening)
This post has been edited 2 times. Last edited by Andyluo, Apr 5, 2025, 7:28 PM
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huajun78
60 posts
huajun78
#5 h  Apr 5, 2025, 8:34 PM • 1 Y
Y by PikaPika999
there are a lot of mu alpha theta competitions
Z K Y
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jkim0656
688 posts
jkim0656
#6 h  Apr 5, 2025, 8:36 PM • 1 Y
Y by PikaPika999
give me some info on BmMt pls
im intrested maybe for next year
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jkim0656
688 posts
jkim0656
#7 h  Apr 5, 2025, 8:36 PM • 1 Y
Y by PikaPika999
also my newbie brain does not know what HMMT is
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huajun78
60 posts
huajun78
#8 h  Apr 5, 2025, 8:39 PM • 1 Y
Y by PikaPika999
Harvard MIT Math Tournament
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DDCN_2011
352 posts
DDCN_2011
#9 h  Apr 5, 2025, 9:19 PM • 1 Y
Y by PikaPika999
im js doing amc 10 i also failed mc D:
Z K Y
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RocketScientist
336 posts
RocketScientist
#10 h  Apr 6, 2025, 1:46 AM • 1 Y
Y by PikaPika999
relatable post :(
from what i've heard, college comps like hmmt, pumac or cmimc are really fun
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Existing_Human1
208 posts
Existing_Human1
#11 h  Apr 6, 2025, 2:08 AM • 1 Y
Y by PikaPika999
Anything with CDR? I need to cope with the fact that FTW isn't useful

Also, can you put the registration dates? (Sorry, I'm just lazy)
This post has been edited 1 time. Last edited by Existing_Human1, Apr 6, 2025, 2:08 AM
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mathprodigy2011
286 posts
mathprodigy2011
#12 h  Apr 6, 2025, 2:31 AM • 1 Y
Y by PikaPika999
Existing_Human1 wrote:
Hello Community!

I am officially done with my mathcounts career, as I have officially failed state, and I am now left an aloof blob reminiscing about the good old days.

So ... I was wondering if any of you have fun competitions I can do to relive the glory days of mathcounts. Obviously, their are the AMCs but I'm looking for something more team/travel based and one that preferably has a CDR.

Please specify if the competition is team based and if it has a cdr, and also when it takes place

Thank you in advance!

ARML is a cool alternative
Z K Y
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jb2015007
1834 posts
jb2015007
#13 h  Apr 6, 2025, 2:56 AM • 1 Y
Y by PikaPika999
franklin2013 wrote:
Yes! BmMT is definitely a great choice. in fact I'm competing in the online tournament!

same! do u already have a team?
if not PM me!
Z K Y
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Existing_Human1
208 posts
Existing_Human1
#14 h  Apr 6, 2025, 3:17 AM • 1 Y
Y by PikaPika999
For BMMT I'll be out of middle school in june, do I still count as an 8th grader?
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franklin2013
235 posts
franklin2013
#15 h  Apr 6, 2025, 3:59 PM • 1 Y
Y by PikaPika999
jb2015007 wrote:
franklin2013 wrote:
Yes! BmMT is definitely a great choice. in fact I'm competing in the online tournament!

same! do u already have a team?
if not PM me!

I already have a team with 4 people.
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jb2015007
1834 posts
jb2015007
#16 h  Apr 6, 2025, 4:02 PM • 1 Y
Y by PikaPika999
Oh ok nvm then.
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