## Two Classic Puzzlers from Cartalk

Puzzler 1: Every two-digit number can be represented as AB, where B is the ones digit and A is the tens digit. Right? So for example the number 43, A is 4 and B is 3. Imagine then that you … Continue reading

Puzzler 1: Every two-digit number can be represented as AB, where B is the ones digit and A is the tens digit. Right? So for example the number 43, A is 4 and B is 3. Imagine then that you … Continue reading

This great idea comes from Dan Meyer and mister2pi. When will the App Store hit 10,000,000,000?

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 … Continue reading

(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 … Continue reading

(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 … Continue reading

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 … Continue reading

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. … Continue reading

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”.

Following question driven by seeing a box of floppy discs in tech room. Question: How large would the floppy disk have to be to hold a hard drive of content? Facts: A floppy disk holds 1.44 MB The largest consumer … Continue reading

Facts: · Humans average 2 words per second when speaking. · Humans average 60 minutes per day speaking. How many words will you speak in your (average) life of 75 years? (hint: break it down to smaller questions) This is the question … Continue reading