The numbers 1 through 31 atop a heart shape. The heart measure 2 inches square. There are also 5 blank hearts so that special days such as holiday, birthday, or no school can be written on them. These can be used for a Valentine themed calendar numbers or activity in a math center.
If you like these hearts, you might also like my other calendar designs. Check out my Christmas trees, other heart designs, leaves, sailboats, pumpkins, shamrocks, and more. If there is a certain shape you are looking for or you need a different size for your calendar, let me know and I'll be happy to put something together for you.