Valentine’s Day NO PREP Math Centers are loaded with fun, valentine's themed activities to help your students build math concepts! Math skills covered are one-to-one correspondence, counting, addition, number identification, patterns, and subtraction. Each activity can simply be printed and handed out to your students. You can use these activities as arrival activities, center activities, or small group instruction. These activities are designed for PreK-2nd graders.What's Included: Trace and co