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 ...

When children start school, they learn how to recite their numbers (“one, two, three…”) and how to write them (1, 2, 3…). Learning about what those numbers mean is even more challenging, and this ...