Wes Carroll Tutoring & Coaching Blog

Podcast - 11: The loopiest puzzler

Podcast – 11: The loopiest puzzler

I have four lengths of rope. I hold them so that you can see all eight ends, but you can’t tell which end connects to ...

Math Excellence For Girls

From MIT and NBER, this just in: "...almost all girls with the ability to reach high math achievement levels are not doing so."  (Here's the ...
an astronaut

Time For More Difficult Problems…

I've been doing a podcast of math problems, and the feedback so far is: give us more difficult problems!  You asked, I'll deliver.  I hope ...
Podcast - 10: Eight's too many

Podcast – 10: Eight’s too many

In the eight-term sequence "a, b, c, d, e, f, g, h", c represents 5, and the sum of any three consecutive terms is 30 ...
Podcast - 09: Coin flip winner

Podcast – 09: Coin flip winner

We’re going to play a simple coin-flip game. We take turns flipping a fair coin. The first one to get “heads” wins. You go first ...
Podcast - 08: Strawberry ice cream

Podcast – 08: Strawberry ice cream

A friend of mine has pictures of his three daughters on his mantle. He took the pictures when each of the girls was a particularly ...
Podcast - 07: Kiana's twin brothers

Podcast – 07: Kiana’s twin brothers

Kiana has two older twin brothers. The product of their three ages is 128. What is the sum of their three ages? // Spiciness: * ...
Podcast - 06: That sounds accurate

Podcast – 06: That sounds accurate

You have just tested positive for a condition known to affect 1% of the population. However, your doctor assures you that the test for this ...
Podcast - 05: Ted's three statements

Podcast – 05: Ted’s three statements

Ted has three numbered statement for us to consider, and he wants to know whether the third one is true. Here they are: // 1 ...
Podcast - 04: Many stuffie lines

Podcast – 04: Many stuffie lines

You have four stuffed animals. You line up three of them at a time, always single file. How many distinct lineups are possible? // Bonus ...