1. Why do we need standard units of measurement?

2. In ancient times, people measured lengths using –

3. The use of body parts for measurement was found to be –

4. The system of units now used all over the world is called –

5. 1 metre =

6. Smaller lengths are usually measured in –

7. Large distances between cities are measured in –

8. The standard unit of measurement helps –

9. While measuring length with a scale, the scale should be placed –

10. If the zero mark of a scale is broken, measurement can be taken by –