Below is a list of the top ten posts from this blog for the first half of 2024:
Estimating Populations by the Capture-Recapture Method
Learn how to estimate the population of wildlife species in a given region.
Introduction to Ethiopian Multiplication
This post gives a method of multiplication for any two numbers by simply halving and doubling the numbers.
Pythagorean Presidential Smarts
U.S. 20th President, James A. Garfield developed a proof of the Pythagorean theorem. Also see:
https://jamesmacmath.blogspot.com/2021/09/abraham-lincoln-president-trained-by.html
https://jamesmacmath.blogspot.com/2020/10/a-simple-pythagorean-theorem-proof.html
https://jamesmacmath.blogspot.com/2020/05/proofs-of-pythagorean-theorem.html
This post will have you examining serial numbers of currency.
The title says it all (please comment if you can recommend others).
This is an easy-to-perform magic trick based on math. Review the Magic label for additional magic tricks. https://jamesmacmath.blogspot.com/search/label/Magic
This pattern of prime numbers is attributed to the mathematician Stanislaw Ulam. Also see: https://jamesmacmath.blogspot.com/2020/10/prime-number-spirals.html
Additional Thoughts on the Collatz Conjecture (or the 3n+1 problem)
One of several conjectures discussed in this blog. Also see:
https://jamesmacmath.blogspot.com/2021/12/additional-thoughts-on-goldbach.html
https://jamesmacmath.blogspot.com/2020/04/hotpo-collatz-conjecture.html
Even Numbers as the Sum of Two Primes
Another post about a the famous Goldbach conjecture.
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