My 3-year-olds adore the book Double the Ducks in the MathStart series by Stuart Murphy. It inspired me to create an entire morning of activities for the kids around the concept of doubling numbers. I included stickers, snacks, cooking, and painting activities and my children quickly caught on to this Math concept (so when we get around to teaching the multiplication table, x2 will be a piece of cake!) Here's what we did...