Teaching Grumpy

Uncle Bob and Great Grumpy Z came over the other day, and having homework I started to Teach Grumpy again about some math formula (When it's the weekend my brain dies.) and Uncle Bob tripped me up with one (Darn it!) but all in all we had fun, although there was no lemon meringue pie which is why Grumpy must come over again, otherwise I'll Get grouchy VERY Grouchy.