Odd Squares
Something we discovered today while playing blocks with a 3, 4 and a 6 year old. I'm sure we didn't discover this. But we didn't know it. And I haven't seen this on Crewton Ramone. But, we've played a lot with odd and even numbers.
My kids could tell you if a number was odd or even by age two. And now we play a lot with square numbers. So, with ...