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 ...

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 ...

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 ...