Access Point #: MAFS.912.N-Q.1.AP.3aArchived Access Point

Essential Understandings

Concrete:

• Match units of measurement with appropriate quantities (i.e., distance would be measured with inches, feet, miles; volume would be measured with cubic liters).
• Order units of measure from smallest to largest and vice versa (i.e., inches, feet, yards, meters).
• Round and estimate numbers to a specific digit.
• Measure an object using different units (i.e., millimeters and centimeters).

• Understand the following concepts and vocabulary: accuracy, place value, precision, significant digits, and significant figures.
• Choose a unit of measure from a list of units to determine the most appropriate for the task.
• Select a larger or smaller unit of measure given a situation (i.e., the distance from the student to the classroom door – measured in feet; selecting inches or yards).
• Describe the difference between an exact measurement and a rounded measurement.