Archive for May, 2008
Monday, May 26th, 2008
It's time for Monday Math Madness #7. I love infinite series and I found today's infinite series problem on the web. This is one of the most interesting of these kinds of problems I have run into. It's challenging but not brutally difficult, so give it a try. I won't ...
Posted in Fun, Math contest, Puzzle, Algebra | 18 Comments »
Monday, May 26th, 2008
As promised, here is Janet's solution to Monday Math Madness #5.
Aside from 1 and 9, are there any perfect squares whose digits are all odd? Justify your answer.
No.
All perfect squares two digits and larger have at least one even digit.
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Posted in Fun, Math contest | 1 Comment »
Monday, May 26th, 2008
Blinkdagger has announced the winners for contest #6. A little later today I'll be posting contest #7.
In the meantime, here are a couple of warmup problems:
1. If a fish weighs one pound plus half its own weight, how much does the fish weigh? Do this problem quickly and without paper. ...
Posted in Fun, Math contest, Puzzle | 12 Comments »
Thursday, May 15th, 2008
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 ...
Posted in Math contest | 2 Comments »
Saturday, May 10th, 2008
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 ...
Posted in Math contest, Puzzle | 7 Comments »
