When was the last time you had to put pen to paper and solve an equation like you used to at school? A simple-looking sum was posted to X this week by Break the Silos, and it has left self-proclaimed geniuses totally stumped. See if you remember the arithmetic trick elementary math teachers placed in your tool belt to solve the following problem: 3+3x3+3.
The Challenge: Solve 3+3x3+3 in 30 Seconds
Before you try to deduce the answer in just 30 seconds or less, do you recall this classic math rule? PEMDAS is a simple acronym to remember the proper order of operations in an equation. The acronym stands for Parentheses, Exponents, Multiplication or Division, Addition and Subtraction. Those simple steps help stumped mathematicians to solve problems like this one step by step. Ready, get set, go! Can you solve this problem using nothing but your brain and a simple acronym?
Common Errors to Avoid
Before all is revealed, make sure you have not made one of these fatal errors. Without PEMDAS in your back pocket, it's easy to mistakenly solve the equation from left to right, beginning at 3+3=6. That simple step leaves us with 6x3+3. Next in line is 18+3=21. Another easy error that left solvers solution-less was beginning with addition rather than multiplication, starting with 3+3=6. With the same addition on either side that leaves you with 6x6=36.
The Correct Solution Using PEMDAS
But with the proper use of PEMDAS, genius mathematicians start smack in the center of this problem at 3x3=9. Then the equation reads 3+9+3. Using the correct order of operations, solving the complex math equation is easier than you might think. From there, it's easily solved as 3+9+3=15. Did you get it right?
Conclusion: Sharpen Your Math Skills
If you were able to crack the code this time, worry not, you were in good company. But next time you'll know exactly what to do thanks to your new favorite acronym. This viral puzzle serves as a fun reminder of basic arithmetic principles that are often forgotten in daily life.
