“While word frequency has some relevance to teaching, other factors are also important, such as the ease with which the meaning of an item can be demonstrated (’blue’ is easier to explain than ‘local’) and its appropriateness for what pupils want to say (‘plane’ is more useful than...
These numerals are those used when writing Arabic and are written from left to right. In Arabic they are known as "Indian numbers" (أرقام هندية/ arqa-m hindiyyah). The term 'Arabic numerals' is also used to refer to 1, 2, 3, etc. ...