Why People Get These Puzzles Wrong
The biggest mistake is usually not a lack of mathematical ability. It is performing the operations in an incorrect order.
For example, someone might combine numbers in a way that feels natural while reading the equation, rather than applying the standard rules.
The good news is that once you remember that multiplication and division come before addition and subtraction—and that operations of equal priority are handled from left to right—these puzzles become much easier.
Try Another One
Now that you know the rule, test
