Does your child love Valentine’s Day and its traditions? If they do, they would definitely enjoy this colorful worksheet. In this love-filled tracing sheet, your kids will have to put into play all their knowledge of even and odd numbers. Help them count the hearts in each group. Do they know if there is an odd number of hearts, or an even number of hearts? Then, help them trace a heart in the groups that have an odd number of hearts, to help make them even.