Question

--
aim of Rafimal numbers on Num​

Answer 1

construct and use a large number line to develop an understanding of rational numbers. ... Extend number line diagrams and coordinate axes familiar from previous grades to represent points on the line and in the plane with negative number coordinates.

aim of Rafimal numbers on Num it's not correct spelling of the question

I think are trying say AIM OF THE RATIONAL NUMBER ON NUMBER LINE !!!