A fraction represents a part of a whole or a part of a group. It is written in the form of one number (numerator) over another number (denominator), separated by a horizontal line. For example, in the fraction 3/4, 3 is the numerator and 4 is the denominator.
Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects.
Tell and write time to the nearest minute, and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram. [3-MD1]