A Recursive Process | A Recursive Process

Alcumus

January 6, 2011, 12:00 am

From Webmaths: Pretty cool website, a bit like Project Euler, but with more approachable difficulty level: http://www.artofproblemsolving.com/Alcumus/Introduction.php

Sample Problem:

The leveling up system they have could be an excellent way to get students addicted to solving some novel m...

After some of my favorite bloggers wrote posts talking about their favorite books of 2010, here and here, I’ve decided to do the same but with a twist. I don’t end up reading more than 5 books a year, but I do listen to numerous podcasts while on the daily walks with the dog and on the daily...

Project Euler

November 23, 2010, 12:00 am

My name is Dan, and I’m addicted to Euler (pronounced Oiler).

Not really, but this site is fabulous: http://projecteuler.net/ The gist of it for non-math people is that it has a list of problems, for example, find the 10,001st prime number. When you think you have your answer, then you type it...

How many pieces of Toast?

November 13, 2010, 12:00 am

Once again, OK Go has an innovative video.

Naturally, how many pieces of Toast? Answer is here.

Bonus: Did they use both sides of the bread for the drawing? Did they reuse any blank toast? How long would it take to toast all the pieces at setting 8?

Update (11-16-10): Class calculations...

(Virtual) Scavenger Hunt – Triangles (and review)

November 10, 2010, 12:00 am

Here is another scavenger hunt that I made up for geometry. The scavenger hunt is a set of problems, where the only way to get to the next set of problems is to have the correct answer and hence the correct web address. It has isosceles, equilateral, triangle congruence, and logic questions on it...

How Many: Folds

November 6, 2010, 12:00 am

(note: this post was previously under: Two problems, but it seemed better to split the two problems into separate posts. The other problem is found here.)

If you could, how many folds of a sheet of paper would it take for the thickness of the paper to reach the moon?

Asked for them to write...

How Many: People

November 6, 2010, 12:00 am

(note: this post was previously under: Two problems, but it seemed better to split the two problems into separate posts. The other problem is found here.)

How many people where at the Rally to Restore Sanity and/or Fear?

Gave the applied math class this picture:

(thanks to @samjshah fo...

How Big is that Pumpkin?

November 2, 2010, 12:00 am

This is the second time I’ve done this lesson. You can read up on the previous attempt here.

Quick synopsis: There is a local contest to determine how much a large pumpkin weighs, the winner receives a year Family subscription to the YMCA (worth about $800). This contest concludes on Halloween...

Cartalk puzzler #2 logic – Rowena’s Picture

October 24, 2010, 12:00 am

Here’s a great puzzler for logic.
Princess Rowena

Evil King Raymond and the White Knight

RAY: This puzzler comes from the days of knights and kings and fair maidens. Once upon a time, the fair maiden Rowena wished to wed. Her father, the evil King Raymond has devised a way to drive off suito...

Paper Towels WCYDWT

October 23, 2010, 12:00 am

As the subtitle to this blog suggests, I look for patterns. What questions do you have after seeing these three pictures of paper towel packaging?

Addition: For those who’d like the prices for the “giant” and “big”.