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 ...

Using a Rekenrek, work with numbers 11-19, and write equations. Join Mrs. Gray for a Numeracy Talk with Dotson seeing the double ten frame but building what we saw using a Rekenrek. We work with ...

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 ...