The number 1 has one digit and is divisible by 1; 12 has two digits and is divisible by 2; 123 has three digits and is divisible by 3. Which new digit (not already used) can be added to the end of 123 ...

(dramatic orchestral music) (air swooshes) (magic chimes) (Springling boinging) (Dotsan screaming) - [Kids] Math Mights. - Welcome Math Mights, Mrs. Markovich here, and we've got a whole lot of fun ...

The New York Times has another excellent little puzzle game to add to your daily Wordle. This one, however, taps into your math skills rather than your vocabulary. Still, I find the two rather ...

From Jeremy Dixon comes a “toasty” treat of a puzzle: You have a toast rack with five slots, arranged in an array. Each slot has a slice of toasted bread, which you are removing one at a time. However ...

Join Mrs, McCartney for a Number Talk with her friend Springling! Join Mrs, McCartney for a Number Talk with her friend Springling! Be ready to build 3-digit numbers in different ways with base ten ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...