Make colored sand art by stirring a chalk stick in a bowl of salt. it changes the color. Stir less for light color and more for dark richer color. (I used to do this with salt and food coloring. but the chalk stick idea is brilliant!
Getallenlijn verder met 10 How to make a Montessori "teen" board (Adding n = teen number) >>Take it further by adding 10 to other double digit numbers. Could make multiple sets for centers out of index cards.
Woordenschat Kern 8 vll met tekeningen van de kinderen.