A simple brainteaser that tests your math and pattern-identifying ... give it a try before reading on: The first step in ...
To solve an equation, more than one step may be needed to find the unknown variable. Remember to check your answer by substituting the solution back into the original equation. The unknown ...
You’ve no doubt seen this math problem (or one similar to it) making the rounds on Facebook: 4×4-4÷4+4. The equation seems so simple. But math puzzles like this go viral because they’re ...