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k a June Highlights and 2025 AoPS Online Class Information
jlacosta   0
Jun 2, 2025
Congratulations to all the mathletes who competed at National MATHCOUNTS! If you missed the exciting Countdown Round, you can watch the video at this link. Are you interested in training for MATHCOUNTS or AMC 10 contests? How would you like to train for these math competitions in half the time? We have accelerated sections which meet twice per week instead of once starting on July 8th (7:30pm ET). These sections fill quickly so enroll today!

[list][*]MATHCOUNTS/AMC 8 Basics
[*]MATHCOUNTS/AMC 8 Advanced
[*]AMC 10 Problem Series[/list]
For those interested in Olympiad level training in math, computer science, physics, and chemistry, be sure to enroll in our WOOT courses before August 19th to take advantage of early bird pricing!

Summer camps are starting this month at the Virtual Campus in math and language arts that are 2 - to 4 - weeks in duration. Spaces are still available - don’t miss your chance to have a transformative summer experience. 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 upcoming events:
[list][*]June 5th, Thursday, 7:30pm ET: Open Discussion with Ben Kornell and Andrew Sutherland, Art of Problem Solving's incoming CEO Ben Kornell and CPO Andrew Sutherland host an Ask Me Anything-style chat. Come ask your questions and get to know our incoming CEO & CPO!
[*]June 9th, Monday, 7:30pm ET, Game Jam: Operation Shuffle!, Come join us to play our second round of Operation Shuffle! If you enjoy number sense, logic, and a healthy dose of luck, this is the game for you. No specific math background is required; all are welcome.[/list]
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0 replies
jlacosta
Jun 2, 2025
0 replies
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I found this
TennisChampion   13
N 29 minutes ago by AR17296174
A ball and a bat cost $1.10

the bat costs one more dollar than the ball

how much does the ball cost?

I'll post the answer when someone gets it
13 replies
TennisChampion
Jan 16, 2024
AR17296174
29 minutes ago
J
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Worst math problems
LXC007   63
N an hour ago by Andrew2019
What is the most egregiously bad problem or solution you have encountered in school?
63 replies
LXC007
May 21, 2025
Andrew2019
an hour ago
J
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Personal Modulo Problem (Title: Encrypted Code)
PikaVee   2
N 2 hours ago by Yihangzh
3 Pokemon each have they own number to use on a part of a lock. Star the Pikachu has the number 87, Luna the Eevee has the number 92, and Aero the Mew has the number 79. A part of their code is found in the expression $C \equiv (3S+5L-2A) \bmod 101$.

To double check if it is right then it needs to follow $C \equiv 5 \bmod 8$ and $C \equiv 3 \bmod 11$. If it does follow it then you need to find the sum of the coefficients with the code the code itself, but if not replace the sum of the coefficients with the lowest possible sum of coefficients where $X+Y+Z+C$ in $(XZ+YL-ZA) \bmod 101$ where X, Y, and Z are positive integers more than 0.

Solution
2 replies
PikaVee
Yesterday at 4:05 PM
Yihangzh
2 hours ago
J
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An annoying math problem
Wolfpierce   9
N 2 hours ago by Yihangzh
Okay so what is 2/((√3+1)((3 to the 1/4)+1)((3 to the 1/8)+1)((3 to the 1/16)+1)) to the power of 32?
9 replies
Wolfpierce
Today at 12:17 AM
Yihangzh
2 hours ago
J
No more topics!
H
J
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Alcumus specs
YeohZY   5
N Apr 29, 2025 by PikaPika999
Hi, can I ask about how Alcumus gives you points? (I mean the number on the red/orange/green/blue line on top that gains once you get correct answers. I'll just call it the score). I want to get my score up to 100, but I always can't and get stuck at like 98 or sth. Why is this so, and also how does alcumus make that "score" higher?
5 replies
YeohZY
Apr 27, 2025
PikaPika999
Apr 29, 2025
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Alcumus specs
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Reveal topic tags
Alcumus
Specifications
question
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YeohZY
6 posts
YeohZY
#1 h  Apr 27, 2025, 3:50 AM • 1 Y
Y by PikaPika999
Hi, can I ask about how Alcumus gives you points? (I mean the number on the red/orange/green/blue line on top that gains once you get correct answers. I'll just call it the score). I want to get my score up to 100, but I always can't and get stuck at like 98 or sth. Why is this so, and also how does alcumus make that "score" higher?
This post has been edited 1 time. Last edited by YeohZY, Apr 28, 2025, 8:16 AM
Reason: originally the post was incredibly unclear
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aidan0626
1970 posts
aidan0626
#2 h  Apr 27, 2025, 5:59 AM • 1 Y
Y by PikaPika999
what do you mean by points?
rating gain slows down as your rating gets higher, and solving easy problems doesn't make your rating go up as much
also if you're doing prealg your rating legit goes up 10x slower than like any other subject
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PikaPika999
2693 posts
PikaPika999
#3 h  Apr 27, 2025, 11:05 PM
Y by
YeohZY wrote:
Hi, can I ask about how Alcumus gives you points? Many times I do a lot of questions and it doesn't give me any points. I just wanted to ask this because it keeps bugging me.

If the "points" are rating, then quick question: "Which topic are you doing?" Because if the topic is Prealgebra, then yeah. That makes sense. Getting 10 questions right in prealgebra brings your rating up by like 0.1 and then getting one wrong brings it down by 50. :skull:
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NovaFrost
21 posts
NovaFrost
#5 h  Apr 29, 2025, 3:46 PM • 2 Y
Y by PikaPika999, TalentedElephant41
lol fr that's actually true
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Unicode_Master03B8
264 posts
Unicode_Master03B8
#6 h  Apr 29, 2025, 3:54 PM • 1 Y
Y by PikaPika999
/req move to Alcumus forum

I think they are referring to the bar in the top right that appears while playing Alcumus. If you want to get this bar to 100, you have to do a lot of problems in the same focus.
This post has been edited 1 time. Last edited by Unicode_Master03B8, Apr 29, 2025, 3:54 PM
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PikaPika999
2693 posts
PikaPika999
#7 h  Apr 29, 2025, 7:23 PM
Y by
Unicode_Master03B8 wrote:
/req move to Alcumus forum

I think they are referring to the bar in the top right that appears while playing Alcumus. If you want to get this bar to 100, you have to do a lot of problems in the same focus.

took me 1500 correct questions to get reciprocals to 100 :P
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