Personalized Math Counts White Toddler Long Sleeve T-Shirt. 1, 2, 3, 4, 5 ...Math, the only subject that counts is a humorous math design with a double meaning. Fun gifts for mathematicians, students and teachers at birthdays, holidays, graduation and back to school. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.