Free Valentine's Day Math Activity - Print + Digital! Want MORE engaging Valentine's Day math activities? • 4th Grade Valentine's Day Math Activities • 5th Grade Valentine's Day Math Activities About the Valentine's Day ActivityThis math activity includes 16 hearts (32 fractions in all) for the students to sort by equivalent fractions. Cut the hearts into pieces (or have students cut them) and have the students match the pieces by finding equivalent fractions. An answer key is included. Availa