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Hilo #16. Expresar el seno como un producto infinito de cosenos. Compartimos con ustedes la solución paso a paso de este problema, que es una aplicación de otro resultado que habíamos probado anteriormente. Físico🕶️ Uranmexican Matemática

How big of an issue is loneliness in students right now? activeminds.org/press-releases…

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Y'all, instead of Netflix, humanity should just get their bowl of popcorn and watch open source history lectures.

3² + 3² + 0² = 4² + 1² + 1² and the three points (0,0,0), (4,1,1), (1,4,1) with integer coordinates form an equilateral triangle in three-dimensional space. (There is no equilateral Δ in the plane with integer coords. Why?) More examples of such Δs side lengths other than √18?

Back in the classroom for year 5, excited to buid.

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It was a delight to spend the morning Steve Hare, talking about task design, the joy of teaching math, and hearing the stories from the classroom he gathered over the past 30 years. What a gem! Math is all about making connections🌱

9 writing units from the NY times Learning Lab: nytimes.com/2024/08/08/lea…

Looking to organize your first family math night? Find ideas and tools to get you started via Dan Finkel and Katherine Cook: mathforlove.com/2023/02/family…

I get big ' yes but fix homeless and end genocide BEFORE you get to colanize another planet' - parental energy every time things like this. science.org/content/articl…

This made for some wonderful conversations about estimation and some fun questions about arithmetic with irrational numbers.

I am going to give BlueSky a try for a while, enough of the people I enjoy chatting and sharing resources with in the math education space are migrating over there, and between the bots, Musks's politics, and the over all vibe of the platform it may be fun to try something else.

What values would you put into a list like this to tease out what misunderstandings Ss have about roots and exponents?

for which values of f(x) = √x + √(x+1) is f(x) a rational number?

Well this is a beautiful question 😍

Very cool sequence with an even cooler problem attached to it. Discre... Concrete mathematics all the way! Source: Concrete Mathematics, Graham, Knuth, Patashnik.

Moving towards lowest common multiples. Inspired a while ago by Ashton Coward #1001MathsBots