Let s think about the floor first.
Floor with no ceiling.
What room has no floor ceiling windows or doors.
But hopefully you ll find it more invigorating than terrifying.
The floor and ceiling functions are usually typeset with left and right square brackets where the upper for floor function or lower for ceiling function horizontal bars are missing for floor and for ceiling.
These characters are provided in unicode.
Riddles home fun stuff for kids riddles for kids what room has no floor ceiling windows or doors.
While teasing out a viable modeling problem from this observation takes some skill and guidance the observation itself makes the starting point wide open to anyone.
Non fiction for kids.
So why do i argue that mathematical modeling activities are inherently no floor no ceiling.
It starts with observation of some pattern or phenomenon.