Practice

Estimating length (mm, cm, m, km) - Answers

1. 5 meters is the closest to the height of a giraffe.

2. Centimeters is the most reasonable unit to measure the height of a coffee cup.

3. The most reasonable distance for a student to travel from their house to their school is 1 kilometer.

4. Kilometers is the most reasonable unit to measure the distance from China to Japan.

5. Meters is the most reasonable unit to measure the length of a school bus.

6. The width of a strawberry is about 20 millimeters.

7.  The length of a wrist watch is about 20 centimeters.