A plug for HomeschoolMathContests.com
I received an email today from a young person asking for me to link to a Math Contest resource web-site. Being a lover of Math contests myself and recognizing the value of the site, I am delighted to not just provide a link but to write this blog post about it.
Below is the email I received. (Yes, I got permission from the author to publish it.)
Note: If you have a Math-worthy site to let the world know about, send me an email at wildaboutmath at gmail. If I like it I'll post about it. Wild About Math! has a Google PageRank of 5, so if I write about your site, it'll be very good for your PageRank.
Monday Math Madness #5: We have a winner
We have a winner for MMM #5 and a new contest to be announced Monday at Blinkdagger.
We received 24 entries, one came after the deadline, so only the 23 that met the deadline were considered. All solutions were correct and well explained. Random.org picked the winner.
Congratulations, Janet! You win the $25 gift certificate to the Art of Problem Solving. They have outstanding quality Math books. I doubt you’d be disappointed with anything you buy from them.
Monday Math Madness #5
Wow! We're on our fifth contest already! Time flies.
For this contest we have a new prize: The Art of Problem Solving folks have donated several $25 gift certificates that can be used in their bookstore. These folks do an outstanding job of challenging and inspiring kids to learn Math. Check out their website if you haven't already. I'll give away either one or two certificates, depending on how many correct solutions we receive.
This problem may be challenging for some but I encourage you to view this problem as an exploration and to look for patterns that will help you to solve it. I picked this exploration-friendly problem in honor of the folks donating the prize; Art of Problem Solving is all about Math exploration.
Monday Math Madness #4 winner announced!
Blinkdagger has announced two winners! They got 103 submissions and gave away two prizes!
Stay tuned to Wild About Math! for a new contest Monday. If I get more than 50 submissions I'll give away two prizes as well! This new prize is one Math lovers will appreciate. Check back here on Monday!
New Monday Math Madness contest #5 coming up
On Monday I'll be hosting the next Monday Math Madness contest. The current contest, hosted at Blinkdagger, got a whopping 103 submissions but only 37 of these were correct. So, this problem ended up being trickier than expected. Blinkdagger should be announcing their winner soon and on Monday I've got a new problem for everyone.
Blinkdagger hosting Monday Math Madness #4
Check out Blinkdagger.
These guys had way too much fun writing up this problem. One of the things we do when we come up with these contest problems is that, when we don't make them up ourselves, we rewrite them so a Google search won't yield the answer. Quan and Daniel did an amazing job of rewriting this problem!
Anyway, head over to Blinkdagger and get going on the next problem. This one is more in their style - it's a logic problem.
We have a winner for Monday Math Madness #3
We have a winner for the third Monday Math Madness contest. It's Johan Potums. Congratulations, Johan! I'll be contacting you about your prize.
Blinkdagger has a very interesting new contest problem that they'll be posting Monday.
Seventeen people submitted entries. Everyone got the right answer and explained their answer well. Everyone realized (or figured out) that every year does indeed have a Friday the 16th. Proofs varied but everyone used modular arithmetic to demonstrate that regardless of what day of the week the year begins on, some month will have a Friday the 16th.
A hard but fascinating Math problem
I ran into the following problem in a contest problem book. I won't reveal the source until later. I was not able to solve this problem and even though the solution is in the back of the book so I know how to solve it now, I'd like to see if anyone can solve this in an elegant and intuitive way and maybe even show how the author might have invented this problem.
There's no prize for solving this, but I will publish all solutions and give link love to all solvers, and I will give special kudos to anyone who can help me to see why the interesting property shown in this problem is true.
Monday Math Madness contest #3 ending soon
If you've not gotten your entry in for contest #3 you've only got through Monday night to do so. We've only gotten 10 correct submissions for this contest so far, so your chances of winning the prize are better than they were for the last contest.
It’s Monday Math Madness time! (contest #3)
We've completed two Monday Math Madness contests. Last Friday Blinkdagger announced that Joshua Zucker, director at Julia Robinson Mathematics Festival, was randomly selected as the winner of the 2nd contest. Now it's my turn to post a contest problem. Those of you who are astute readers may have noticed that I said the contest would be held the 1st and 3rd Mondays of the month and today is actually the 5th Monday of March. Well, there's enough enthusiasm about this contest so we'll just do it every other week. So, we'll do 26 contests per year rather than 24. We're nice that way!
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