Personalized Math Teachers Have Problems Funny Women's V-Neck T-Shirt. Funny high school or middle school math teacher gift Women's V-Neck T-Shirt - Black says math teachers lave lots of problems. 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit