As the coronavirus pandemic ravaged the country last year, then-candidate Joe Biden pushed one message again and again: “Build Back Better.” The phrase now lends its name to the White House’s massive, ...

A problem doesn't last a lifetime. But how you deal with it can make it linger for years without resolution. In my studies about the topic, I've identified that, in addition to everything that ...

Solving word problems is a key component of math curriculum in primary schools. One must have acquired basic language skills to make sense of word problems. So why do children still find certain word ...

Key points Word problems that can be solved by the same arithmetic operation have varying difficulty. Problems that involve the inverse relation between addition and subtraction are more challenging.