Have student wrinkle up the paper heart (not tearing it) and then try to flatten it out. Discuss how words or actions can harm a heart and take time to heal. Good first week of school activity or for an anti-bullying activity.
"On the white paper (plain popcorn) I wrote numbers, on the yellow (buttered popcorn) I wrote math symbols (+ – x ). Students can then choose 2 pieces of white popcorn and 1 piece of yellow. They write the equation and answer in their books.