All those long multiplication tables. Timed tests and “mad minutes” of worksheet problem-solving. Fluency drills. Somehow, getting kids to know their basic math facts continues to be at the heart of ...

Most famous equation: Einstein's E = mc2, which means energy is equal to mass times the speed of light squared. Mathematics is the science that deals with the logic of shape, numbers and arrangement.

A key part—though surely not the only part—of early-grades math is ensuring students get the basic arithmetic functions down and, beyond that, making sure they’re able to swiftly and automatically ...