CBSE Class 3  >  Class 3 Videos  >  Mathematics  >  Measurement of Length

Measurement of Length Video Lecture - for Class 3

Video Timeline
Video Timeline
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00:00Introduction
00:35Objectives
00:55Ruler
01:43Measuring Length
01:54Types of Rulers
02:30Conversion
03:00Meters / Centimeters
03:58Self Assessment
04:05Summary
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FAQs on Measurement of Length

1. What is the definition of length?
Ans. Length is a measurement that refers to the distance between two points or the extent of something from one end to another. It is commonly measured in units such as centimeters, meters, or feet.
2. How is length measured?
Ans. Length can be measured using various instruments such as rulers, measuring tapes, or meter sticks. The chosen instrument is placed from one end of the object to the other, and the measurement is read off the scale on the instrument.
3. What are some common units of length?
Ans. Some common units of length include centimeters (cm), meters (m), and kilometers (km). In some countries, inches (in) and feet (ft) are also commonly used.
4. How do you convert between different units of length?
Ans. To convert between different units of length, you can use conversion factors. For example, to convert centimeters to meters, divide the number of centimeters by 100. To convert meters to kilometers, divide the number of meters by 1000.
5. Can length be measured accurately?
Ans. The accuracy of length measurements depends on the precision of the measuring instrument used. Instruments with smaller divisions or a higher number of decimal places provide more accurate measurements. However, it is important to note that all measurements have some degree of uncertainty.
Video Timeline
Video Timeline
arrow
00:00Introduction
00:35Objectives
00:55Ruler
01:43Measuring Length
01:54Types of Rulers
02:30Conversion
03:00Meters / Centimeters
03:58Self Assessment
04:05Summary
More
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