In June 2019, a short video supposedly showing a lobster scrawling a series of numbers went viral on social media. One iteration posted to Twitter garnered more than 3.5 million views, while another ...

Write numbers to tell "how many" after warming up by building numbers on a 5-frame. Subitize with 5-frames and then build one less than your number on the 5-frame. Count or draw objects and then write ...

Meghan Walbert is Lifehacker's Managing Editor. She has a degree in journalism and has worked at Lifehacker as a writer and editor since 2018, covering parenting, foster care, online child safety, and ...

Rise and Shine is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

Here’s a great question I got recently from a reader named David: “When it comes to numbers, I have always heard one through nine are to be spelled out and then 10 and on are to be numerals. Does a ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why don’t numbers end? – Reyhane, age 7, Tehran, ...