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
Tag Archives: calculate this
The App Store – 10 Billion
This great idea comes from Dan Meyer and mister2pi. When will the App Store hit 10,000,000,000?
How many pieces of Toast?
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
How Many: People
(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
How Many: Folds
(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
How Big is that Pumpkin?
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
Cartalk puzzler #2 logic – Rowena’s Picture
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
Paper Towels WCYDWT
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”.
Data Density
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
Blah blah blah blah blah
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