Common Core Alignment:.

3.NF.2:

Number And Operations - Fractions

Develop Understanding Of Fractions As Numbers.

Understand a fraction as a number on the number line; represent fractions on a number line diagram.

3.NF.2a:

Number And Operations - Fractions

Develop Understanding Of Fractions As Numbers.

Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.