Tag Simple Math

Puzzles and brain teasers involving basic arithmetic and other simple math concepts – very little math knowledge required!

7 Matchstick Equation Puzzles

In matchstick puzzles, you are presented with an incorrect equation made using matchsticks, and you must move 1 or more matchsticks to turn it into a valid equation.

You must use all of the matches, and you are not allowed to make an inequality symbol such as ≠, ≥, >, <, or ≤.

In each of these 7 fun matchstick equation puzzles, move exactly 1 match to fix the equation:

1 plus 2 equals 8

Click for Solution to 1 + 2 = 8

7 + 2 = 9

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Password to Exclusive Club

A man wants to enter an exclusive club, but doesn’t know the password. He observes a few other patrons:

  • First patron walks up and the doorman just says “12”. The patron replies “6” and is let in.
  • Second patron walks up and the doorman says “6”. The patron replies “3” and is let in.

Thinking he has figured it out, the man walks up and the doorman says “10”. The man replies “5” but it’s incorrect and he is turned away.

What should the man have said instead?

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