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# Understand and Estimate Metric Units of Length

- Grade 2 Math

Estimate Length - Metric Units Worksheet focuses on familiarity with customary units of length e.g. centimeter and meter and their relative magnitude. There are two key concepts addressed here:

- Choosing an appropriate unit to express length of real life objects. For example, centimeter and meter can be used to express length but not pounds or ounces. Also, centimeter is more appropriate to express the length of smaller objects than meter.

- Choosing an appropriate estimate of lengths of real life objects. For example, 3 meters is a better estimate of the height of a wall than 3 centimeters.

### Common Core Alignment

2.MD.3Estimate lengths using units of inches, feet, centimeters, and meters.