Lengths
Comparing Lengths
Method Line Up to Compare Lengths
To compare the length of two objects, line them up side by side. The object that looks taller is the longer one.
Example
The girl is taller than the boy.
Measuring Lengths
Method Measure Length with Objects
To measure the length of an object, use small things like blocks or erasers. Line them up next to the object and count how many fit along its length.
Example
The cucumber measures 4 erasers long.