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How to Measure length Video Lecture | Mathematics for Class 4: NCERT

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FAQs on How to Measure length Video Lecture - Mathematics for Class 4: NCERT

1. How do you measure length accurately?
Ans. To measure length accurately, use a ruler or a tape measure and ensure that the starting point is aligned with the beginning of the object being measured. Make sure the measuring tool is straight and not curved to get an accurate measurement.
2. What is the difference between measuring length in inches and centimeters?
Ans. Inches and centimeters are two different units of length measurement. One inch is equal to 2.54 centimeters. Inches are commonly used in the United States, while centimeters are more commonly used in other parts of the world.
3. Can you measure length accurately without a ruler or tape measure?
Ans. Yes, you can estimate length without a ruler or tape measure by using everyday objects of known length. For example, a standard sheet of paper is approximately 11 inches long, which can be used as a reference for measurement.
4. What is the best way to measure length for small objects?
Ans. For small objects, it is best to use a digital caliper or a ruler with millimeter markings. These tools provide precise measurements for smaller objects that may be difficult to measure accurately with a standard ruler.
5. How do you convert between different units of length, such as inches to centimeters?
Ans. To convert between different units of length, you can use conversion factors. For example, to convert inches to centimeters, multiply the number of inches by 2.54 to get the equivalent length in centimeters.
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