Toothpick Equality
Six toothpicks are set up to look like an incorrect equation (VI = 5 and I = 1 in Roman numerals). Add a single toothpick of the same size to form a mathematically true equality. You may not form an inequality.
Square root of 1 equals 1...
More puzzles
Connect the Colors
Connect the colors without crossing lines.
Connect the Dots
Draw four straight lines, without lifting your imaginary pencil, that touch all nine dots in the grid.
Doorways
Travel through all the doorways exactly once.
Toothpick Squares
Move two toothpicks to form exactly four squares instead of five.