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 ...

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 ...

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 ...

Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. Two puzzles are presented each week: the Riddler Express for those ...

If you were to list all the natural numbers from 1 to 1,000,000,000, which digit would you have to write least often and which would you have to write most often? Show puzzle solution First, we look ...

Some Alberta cities will use a 'kangaroo board' to tabulate complex, at-large election ballots after the province banned electronic vote-counting in municipal elections.