Great idea, okay execution
I am really quite supportive of the concept. I think nightly math is a GREAT idea. Unfortunately, the math in these nightly posts isn't very creative or encompassing of all the things that make up math. In fact, I think she leaves out most of what makes math fun, focusing in too tightly on what we think "math" is. Every problem for the "wee ones" is counting. Every problem for "Little Kids" is basic addition, some subtraction, and some place values. Every problem for "Big Kids" is again basic calculation.
Although these are age-appropriate math problems, they are missing most of what training for mathematical thinking needs to encompass. Never do the problems use shape matching, pattern prediction, measurement or other basic concepts that would be easy to incorporate into a daily math problem with your kids.
It is a great start for families with mathphobia in the parents, but I'd like to see more diversity of "what is math" and more fun added in.
Math is AWESOME and everywhere, it is hard to conceive of a situation in which you can't apply some kind of math.
So, I'm doing my own with my child. Kudos to BedtimeMath for making me think of it, and Kudos to BedtimeMath for getting this concept to a lot of people. I look forward to when she improves it.
-a Science and Math Educator