The Sieve of Eratosthenes is a simple method for finding prime numbers: you highlight the next available number and then cross out all of its multiples. How many primes are there less than 100? Try for yourself at https://t.co/Mr65qdpphj

@steve_principal Happy birthday Steve!!! Hope it was a great one 🙂

Explore factorizations and primes numbers while practicing arithmetic skills when playing Factris. Developed with our friends @MEIMaths, Factris has now been played over 27 MILLION times! Can you make it onto the leaderboard? Play at https://t.co/Cxux1vCQaH

Watch what happens when you merge differently coloured fraction bars on Polypad! 🎨 Ideal for ratios and mixing problems! Try for yourself at https://t.co/5qJDURSgo0

11/23 is sometimes called Fibonacci day. Pingala (पिङ्गल) was an ancient Indian poet and mathematician who lived around 300 BCE. He wrote about the "Fibonacci" numbers about 1500 years before Fibonacci was born. Learn more at https://t.co/k3ArPP1xuk

Archimedes discovered that if you add the volume of a cone and a sphere, you get the volume of their bounding cylinder. It’s one of the most beautiful results in 3D geometry! Learn more at https://t.co/45KUaWmR8s

You can now use the manipulatives on Polypad to create music! 🎼🎷🎹🎵🎸 Want to learn more? Join our free webinar in 1 hour: https://t.co/rKWAU0magR

Happy #STEMDay! 🍎 Looking for more ways to engage with #NASASTEM? Find us here. ⬇️ 💻 Web: https://t.co/kqBWPLKP2Z 📌 Pinterest: https://t.co/Adj31qxhOn 📺 YouTube: https://t.co/Mbo9UObFuD 😀 Facebook: https://t.co/U9plQx6mkf 📬 EXPRESS Newsletter: https://t.co/u2EqzQGZcW

Perhaps you've thought about how many squares there are on a checkerboard, but do you now how many total cubes there are in an 8 x 8 x 8 cube? Explore this and other related questions at https://t.co/kEoqFQ4Fl0

Mathematics has applications across so many parts of everyday life - from glacier melting to supply chains, neurology to crowd control, and fraud detection, to name a few. Explore many more interesting examples at https://t.co/R1xGBJ9uFl

The 3D diagrams in our interactive courses allow students to derive equations for the surface area of cylinders, cones and other solids. Explore all the interactive elements at https://t.co/MFnj31mWUS

This Webb caught a giant space tarantula! 🕸️ Take a moment to stare into thousands of never-before-seen young stars in the Tarantula Nebula. @NASAWebb reveals details of the structure and composition of the nebula, as well as background galaxies: https://t.co/DZePgDpPEH

Roger Penrose was born 91 years ago today. He is known for groundbreaking work in general relativity and cosmology. He also discovered Penrose Tilings: self-similar, non-periodic tessellations using only two different tiles. Learn more here:

Yup! 🙋‍♂️🙋‍♀️

🎉🍀 thank you 💙@fold_app you are right! It is my 🍀💙LUCKY day! y’all are awesome 👏 #stackingSats #Lucky

SpaceX have now completed 127 booster landings.

Liftoff!

This is a fabulous read aloud and a great way to start off the school year with curious learners @CarolNorthES @TarvinES @LeanderISD! #BeAMaker 💡💙 https://t.co/yePXubsmMD

James Webb Space Telescope's powers will be revealed in just weeks and scientists can't wait https://t.co/hFlxMNjyMS