Life on the Infinite Farm [pdf]
math.brown.edu
math.brown.edu
If Gracie pulls all her right feet off the sticky tape at the same time, why doesn't she fall over?
And why don't her shoes come off at the end when she tries to get off the sticky tape?
The author obviously doesn't understand math at all.
;-)
Math Pickle (https://mathpickle.com/organized-by-grade/) has a lot of kid-friendly math puzzles that are easy to explain but can become quite intriguing.
Something that a kids would like to look at and explore so they can visualise things like logs, geometric functions, what exponential looks like etc.