Learning to identify numbers and letters is far different from learning to perform mathematical operations and to read with understanding. (educationnext.org)
Must have the ability to perform simple mathematical operations using units of American money, weight measurement, volume and distance. (ziprecruiter.com)
The security of all of our online purchases, bank transactions and personas rely on a single shaky assumption: that certain mathematical operations are hard to do. (newscientist.com)