Wes Carroll Tutoring & Coaching Blog

22: Split the check

22: Split the check

Last week, two of my friends and I went to a restaurant and had a lovely meal. We decided to evenly split the check, so ...
A Different Kind Of "Underserved"

A Different Kind Of “Underserved”

What if the 32nd individual on the planet to achieve a nuclear-fusion reaction were only 14 years old? It's not science fiction. And the article ...
Power of the Nudge - Wes Carroll logio

The Power Of The Nudge

My friend and colleague Jai Flicker just posted this lovely essay on the time he knew just what to say to a student to make ...
Podcast - 21: The faulty odometer

Podcast – 21: The faulty odometer

A faulty car odometer proceeds from digit 3 to digit 5, always skipping the digit 4, regardless of position. For example, after traveling one mile ...
Podcast - 20: The middle digit

Podcast – 20: The middle digit

How many three-digit numbers satisfy the property that the middle digit is the average of the first and the last digits? // Spiciness: ** out ...
Podcast - 19: The token tax

Podcast – 19: The token tax

A game is played with tokens according to the following rule. In each round, the player with the most tokens gives one token to each ...
Podcast - 18: The circular track

Podcast – 18: The circular track

Brenda and Sally run in opposite directions on a circular track, starting at diametrically opposite points. They first meet after Brenda has run 100 meters ...
Podcast - 17: The red one

Podcast – 17: The red one

My perpetually tricky friend told me that while she was walking through town she saw four particularly vibrant houses. There was an auburn one, a ...
Podcast - 16: In 80 days

Podcast – 16: In 80 days

A friend of mine told me that she can walk a mile south, a mile east, a mile north and end up back home. I ...
Podcast - 15: Coats of paint

Podcast – 15: Coats of paint

Working alone, I put two coats of paint on a wall, one before lunch and one after. Yesterday, I began at the usual time. Two ...