Over the past year, my 6-year-old son has really blossomed in math. I was talking on the phone to my husband about a delivery with my son present. "It's going to be an additional $50 with a $59 delivery charge," I told him. "They're charging you $109 dollars?!" my son Thomas asked, his eyes wide. My husband and I looked at each other. When did he learn to do math like that in his head? We … [Continue reading...]