explain that the unit fraction 1/b represents the quantity formed by one part of a whole that has been partitioned into b equal parts where b is a non-zero whole number;

Standard:

3.3.D

Description:

compose and decompose a fraction a/b with a numerator greater than zero and less than or equal to b as a sum of parts 1/b;

Standard:

3.3.E

Description:

solve problems involving partitioning an object or a set of objects among two or more recipients using pictorial representations of fractions with denominators of 2, 3, 4, 6, and 8;