The Free-Ride offspring have been using the silkworms as a springboard for discussions of math as well as biology.
We started with 16 silkworms hatched from eggs that came home last June. They were joined, a couple weeks after they hatched, by another 15 silkworms brought home from the science classroom at school.
At this point, a number of those silkworms have taken the plunge and pupated.
As I type these words, there is one silkworm making good initial progress on a cocoon.
There are twenty cocoons that seem to be finished (including one that has two silkworms in it — sometimes things get cozy).
Seven silkworms are still eating mulberry leaves like there’s no tomorrow.
1 + 21 + 7 = 29
So much for arithmetic. But you should know the silkworms also inspired some algebra: