I suspect dd might be Left handed but how do you know? dd doesn't show a strong preference either way.
When we were doing art at the weekend she drew with her right and cut with her left.
I've always thought she was a lefty but at one of her checks the HV said she was showing a preference to right (which I disputed)
she's 3 and I want to encourage her to make shapes of letters but don't want to encourage her to hold the pencil in her right if she's left handed.