fun factory or boredom buster!

by jkim0656, Apr 4, 2025, 4:13 AM

Loading poll details...
dunno which forum to put this in but...
fun factory or boredom buster!
I've seen both and dunno which one to be active on
the two forum giants tbh
sooo which one's better?
poll
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Probability problem

by huajun78, Apr 4, 2025, 1:24 AM

A spinner is colored with 5 red sectors and 5 black sectors, with each sector of equal area. Two sectors
are then randomly labeled W. I then spin the spinner twice. What is the probability that in both
spins, I land on a sector labeled W that is red?
probability
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mathcounts state score thread

by Soupboy0, Apr 1, 2025, 2:53 PM

\begin{table}[]
\begin{tabular}{llllll} Username & Score & Sprint & Target & Nats? & Sillies \\ Soupboy0 & 40 & 24 & 16 & yes & 6 \\ & & & & & \\ & & & & & \end{tabular}\end{table}
MATHCOUNTS
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2025 MATHCOUNTS State Hub

by SirAppel, Apr 1, 2025, 12:22 PM

Previous Years' "Hubs": (2022) (2023) (2024)Please Read

Now that it's April and we're allowed to discuss, and no one else has made this yet ...
  • CA: 43 (45 44 43 43 43 42 42 41 41 41)
  • NJ: 43 (45 44 44 43 39 42 40 40 39 38) *
  • NY: 42 (43 42 42 42 41 40)
  • TX: 42 (43 43 43 42 42 40 40 38 38 38)
  • MA: 41 (45 43 42 41)
  • WA: 41 (41 45 42 41 41 41 41 41 41 40) *
  • FL: 39 (42 41 40 39 38 37 37)
  • IN: 39 (41 40 40 39 36 35 35 35 34 34)
  • NC: 39 (42 42 41 39)
  • IL: 38 (41 40 39 38 38 38)
  • OR: 38 (44 41? 38 38)
  • PA: 38 (41 40 40 38 38 37 36 36 34 34) *
  • MD: 37 (43 39 39 37 37 37)
  • CT: 36 (44 39? 38 36 34 34 34 34)
  • MI: 36 (39 41 41 36 37 37 36 36 36 36) *
  • MN: 36 (40 36 36 36 35 35 35 34)
  • CO: 35 (41 37 37 35 35 35 ?? 31 31 30) *
  • GA: 35 (38 37 36 35 34 34 34 34 34 33)
  • OH: 35 (41 37 36 35)
  • AR: 34 (46 45 35 34 33 31 31 31 29 29)
  • WI: 34 (40 37 37 34 35 30 28 29 29 29) *
  • NH: 31 (42 35 33 31 30)
  • DE: 30 (34 33 32 30 30 29 28 27 26? 24)
  • SC: 30 (33 33 31 30)
  • IA: 29 (33 30 31 29 29 29 29 29 29 29 29 29) *
  • NE: 28 (34 30 28 28 27 27 26 26 25 25)
  • SD: 22 (30 29 24 22 22 22 21 21 20 20)
Cutoffs Unknown

* means that CDR is official in that state.

Notes

For those asking about the removal of the tiers, I'd like to quote Jason himself:
peace09 wrote:
learn from my mistakes

Help contribute by sharing your state's cutoffs!
As per last year's guidelines, refrain from problem discussion until their official release on the MATHCOUNTS website.
This post has been edited 59 times. Last edited by SirAppel, Yesterday at 9:39 PM
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mathcounts state discussion

by Soupboy0, Apr 1, 2025, 5:00 AM

les goo its finally april
MATHCOUNTS
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real math problems

by Soupboy0, Mar 25, 2025, 11:40 PM

Ill be posting questions once in a while. Here's the first question:

What fraction of numbers from $1$ to $1000$ have the digit $7$ and are divisible by $3$?
is 3 divisible by 7
is 7 divisible by 3
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The daily problem!

by Leeoz, Mar 21, 2025, 10:01 PM

Every day, I will try to post a new problem for you all to solve! If you want to post a daily problem, you can! :)

Please hide solutions and answers, hints are fine though! :)

The first problem is:
March 21st Problem wrote:
Alice flips a fair coin until she gets 2 heads in a row, or a tail and then a head. What is the probability that she stopped after 2 heads in a row? Express your answer as a common fraction.

Past Problems!
This post has been edited 4 times. Last edited by Leeoz, Mar 30, 2025, 12:08 AM
problem
Problems
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Mathcounts state iowa

by iwillregretthisnamelater, Mar 20, 2025, 4:55 AM

Ok I’m a 6th grader in Iowa who got 38 in chapter which was first, so what are the chances of me getting in nats? I should feel confident but I don’t. I have a week until states and I’m getting really anxious. What should I do? And also does the cdr count in Iowa? Because I heard that some states do cdr for fun or something and that it doesn’t count to final standings.
MATHCOUNTS
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Problem of the week

by evt917, Mar 5, 2025, 4:42 AM

Whenever possible, I will be posting problems twice a week! They will be roughly of AMC 8 difficulty. Have fun solving! Also, these problems are all written by myself!

First problem:

$20^{16}$ has how many digits?
This post has been edited 4 times. Last edited by evt917, Mar 11, 2025, 3:21 PM
AMC 8
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Simple problem on percentages

by ohiorizzler1434, Feb 20, 2024, 11:01 PM

Fanum and Kai Cenat are getting taxed. If Fanum's tax increases by 60%, then Fanum will be taxed 24 dollars. If Kai Cenat's tax increases by 20%, then he would also be taxed 24 dollars.

How much more is Kai Cenat taxed than Fanum?
percent
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The oldest, shortest words — "yes" and "no" — are those which require the most thought.

avatar

adityaguharoy
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No continuous bijection between (a,b) and [a,b]
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Gauss Jordan Elimination method on matrices
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+ August 2017
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A and B are bijective implies A^2 and B^2 are bijective sets
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Interesting Reverse Relation under square between 12,&,21
Finding an interesting number
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+ June 2017
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Volterra's function(diff..derivative not Riemann integrable)
A nice Bolzano Weirestrass convergence ~ Example 1
VJIMC 2017, Category I, Problem 1 : Functional Equation
2017 HMMT ~ Algebra/NT #3: Functional Equation
Sqing inequality
Differentiability implies Continuity of Real Valued Function
Magma (algebra)
+ March 2017
2013 PUMAC team 10
Finding a limit
Fishing with nemo and dory
Applying ~ Real numbers NOT bijective to Rational numbers
A combinatorial counting (B2-2004)
f(x) has degree 2 and f(nonreal)=nonreal then f has degree 1
Polynomial as difference of two monotone polynomials
+ February 2017
Polynomial Approximation to Continuous functions ~Example 1
Cosine , sine , tangent of rational multiples of &pi;
+ January 2017
Stronger Pigeonhole Principle
Willy's Lemma
Content of a polynomial -- introduced
+ December 2016
Rules of Propositional Calculus
FRT FRS of degree 2
+ April 2016
Sequence
Shouts
Submit

  • You will be remembered

    by giangtruong13, Feb 26, 2025, 3:38 PM

  • 2025 shout!

    by just_a_math_girl, Jan 12, 2025, 7:25 AM

  • 2024 shout

    by bachkieu, Aug 22, 2024, 12:52 AM

  • helooooooooooo

    by owenccc, Sep 27, 2023, 12:59 AM

  • hullo :<

    by gracemoon124, Jul 14, 2023, 2:33 AM

  • hello $ $

    by LeoLionTank, Feb 17, 2023, 9:02 PM

  • Halo thear

    by HoRI_DA_GRe8, Oct 18, 2022, 7:44 AM

  • hi!!
    just found this and I can't wait to read more!
    so happy to have found this blog!

    by Morrigan_Black, Jan 28, 2022, 1:05 PM

  • still waiting for the mathlinks camp lol

    by CinarArslan, Jan 9, 2022, 1:55 PM

  • hello :D

    by CyclicISLscelesTrapezoid, Nov 29, 2021, 6:36 PM

  • Right below the shout box it says how many it has.

    by pith0n, May 11, 2021, 5:08 AM

  • Oh really the blog has 100 posts! I never counted the number of posts here. If I get some free time I will create a new page on my wordpress website and there I will post all the contents of this blog. So, make sure that you check the wordpress site.

    by adityaguharoy, Mar 21, 2021, 2:58 PM

  • Nice blog!

    by DCode10, Mar 10, 2021, 7:00 PM

  • Hi adityaguharoy! Nice blog!

    by masadca, Feb 4, 2021, 9:19 PM

  • wow just noticed congrats on 100 posts in this blog !!!!!!!

    by mathical8, Jan 7, 2021, 4:20 AM

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