Can you solve this tricky math problem using nothing but regular school math?
Classic brain training methods are perhaps puzzles like crosswords or sudoku, but in recent times I have become more and more attracted to the type of challenge you’ll see below.
These types of puzzles have been flooding the web lately, probably because they are really fun!
These are old classic mathematical problems. When you were in middle or high school.
These tests are more fun when you find yourself trying to remember the math you learned as a child.
Can you find the correct number?
Okay, here comes the challenge.
In the picture below, you will face a math problem.
Which of the answers do you think is right?
A
B
C
D
E
ANSWER:
Here’s the correct way to solve 8 ÷ 2(2 + 2) =?
First, add the numbers in the parentheses.
8 ÷ 2(4) = ?
Now, do the multiplication and division from left to right.
8 ÷ 2(4) = 4(4) = 16.
Below you can see the solution!
The confusion is caused by the difference between modern and historic interpretations of the order of operations, known as PEMDAS:
1. Parentheses
2. Exponents
3. Multiplication and Division (left to right)
4. Addition and Subtraction (left to right)
The answer is 16.
Did you manage to solve this math problem?