"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.
Magnetic number fishing, they add what they catch! As well as addition, develops hand/eye coordination, fine motor--I love this for magnetic letter fishing too! When they catch a letter, they say its name and sound.