[MA2019] (3) 13 :
13. Demonstrate that a unit fraction represents one part of an area model or length model of a whole that has been equally partitioned; explain that a numerator greater than one indicates the number of unit pieces represented by the fraction.
[MA2019] (3) 14 :
14. Interpret a fraction as a number on the number line; locate or represent fractions on a number line diagram.
a. Represent a unit fraction (1/b) on a number line by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts as specified by the denominator.
b. Represent a fraction (a/b) on a number line by marking off a lengths of size (1/b) from zero.