Matchstick Puzzles · matchstick-puzzles.games/427/

Two Operations: 3 + 9 + 6 = 10

The display shows the false equation 3 + 9 + 6 = 10. Add 1 match to make it true. The matches already there stay where they are.

Next set, “Two More Matches”: Subtraction: 1 − 1 = 5 →