How many three-digit numbers satisfy the property that the middle digit is the average of the first and the last digits? // Spiciness: ** out of ****
Podcast – 20: The middle digit
by Wes Carroll | Aug 28, 2016 | Podcast | 0 comments
Recent Posts
Categories
- Blog
- college admissions
- college costs
- economics
- education advocacy
- game theory
- general update
- Kaplan
- low-hanging fruit
- math books
- MIT
- MIT Mystery Hunt
- money in education
- offshore
- Podcast
- practice
- quality
- ROI
- SAT class
- SAT prep
- show me the steps
- sleep
- sports
- standardized testing for teachers
- summer reading
- TEP charter school
- test prep
- the big leagues
- the value of college
- the value of education
- tutoring
- Uncategorized
- uses for math
- varsity academics
- victory
- Why should I care?