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Measurement of Length Video Lecture | Mathematics for Class 3

12 videos|60 docs|25 tests

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Video Timeline
Video Timeline
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00:00 Introduction
00:35 Objectives
00:55 Ruler
01:43 Measuring Length
01:54 Types of Rulers
02:30 Conversion
03:00 Meters / Centimeters
03:58 Self Assessment
04:05 Summary
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FAQs on Measurement of Length Video Lecture - Mathematics for Class 3

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.
12 videos|60 docs|25 tests
Video Timeline
Video Timeline
arrow
00:00 Introduction
00:35 Objectives
00:55 Ruler
01:43 Measuring Length
01:54 Types of Rulers
02:30 Conversion
03:00 Meters / Centimeters
03:58 Self Assessment
04:05 Summary
More
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