This summer, battle lines were drawn over a simple math problem: 8 ÷ 2(2 + 2 ... But if you couldn’t find one, you’d probably use the standard algorithm you learned in elementary school, multiplying ...

While the box method is essentially the same as the standard algorithm, it does a much nicer job of illustrating what's going on in a multiple-digit multiplication problem. 23 times 7 really just ...