Help D.C. with number sentences and ten frames, then learn about groups of up to 20. Join Mrs. Gray for a Mystery Math Mistake with D.C. He needs help figuring out his number sentences to match ten ...

Inside: Christmas Count and Graph iSpy Printable for Kids Need a holiday math activity that actually keeps preschoolers ...

Join Mrs. Gray for a Mystery Math Mistake with D.C. He needs your help with his number bonds. We will be counting pictures with ten and some more to answer the question "how many?" Episode ...

Keeping the attention of a room of 4th graders is difficult. And keeping them interested while you’re teaching them math is nearly impossible. But there was Mike Byster, mesmerizing–really, they were ...

When you purchase an independently reviewed book through our site, we earn an affiliate commission. By Eugenia Cheng COUNTING How We Use Numbers to Decide What Matters By Deborah Stone The title of ...

The idea of an animal that can count or do math might sound like something out of a viral news story or TikTok video. But a sense of quantity, sometimes called "numerosity," appears across a ...

A child’s ability to understand and manipulate sets of numbers in 1st grade predicts how well he or she will succeed in the math required both in secondary school and for day-to-day living, according ...