Please Do Not Use a Calculator: Math Puzzle Answer

Did you get it right?

This blackboard puzzle asks you to solve 12 + 18 / 3 without using a calculator. The division comes before the addition.

Please Do Not Use a Calculator: Math Puzzle Answer

The Answer

The correct answer is: The answer is 18..

Here is why

  1. Do the division first: 18 / 3 = 6.
  2. Then add 12.
  3. 12 + 6 = 18.

Why people miss it

Many people add 12 and 18 first, but division has to be done before addition.

What answer did you get before checking?