Can you spot the connections among numbers? By Marcel Danesi, Ph.D. in Brain Workout The word arithmetic comes from Greek arithmētikē, which is itself made up of two words, arithmos “number” and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Many nineteenth-century educators ...

THIS volume is, the author states, intended to stand between the complete text-book of arithmetic and the mere compilation of examples. Each exercise is preceded by a model worked-out example, and a ...

Average: The arithmetical mean; the result obtained by summing the value of individual numerical quantities and dividing the sum by the number of individual quantities. An average over a 30-year ...

Arithmetical cognition is the result of enculturation. On a personal level of analysis, enculturation is a process of structured cultural learning that leads to the acquisition of evolutionarily ...

SEVERAL investigations have been carried out on the relative difficulties of learning the various ‘arithmetical facts’ or tautologies contained in the multiplication and addition tables. A variety of ...

You must take two steps to get from a given number to make 10. Each step must change the number by adding, subtracting, multiplying by or dividing by a number from 1 to 9. (Multiplying or dividing by ...