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While teaching comparison of fractions in which the numerators are the same
e.g 3/5 and 3/7
Rohit’s response was “since the numerators are same and since 7 is larger than 5, therefore 3/7 is greater than 3/5.
This suggests that
  • a)
    Rohit does not understand the magnitude of fractions
  • b)
    Rohit does not know the concept of numerator and denominator
  • c)
    Rohit does not know the concept of equivalent fractions 
  • d)
    Rohit has not practised well
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
While teaching comparison of fractions in which the numerators are the...
Can use the following strategies:

1. Finding a common denominator: Rohit can find a common denominator for both fractions and then compare them. For example, he can convert 3/5 and 3/7 into fractions with a common denominator of 35. This would result in 21/35 and 15/35. Now, he can easily compare them and determine that 21/35 is greater than 15/35.

2. Cross-multiplication: Rohit can cross-multiply the fractions to compare them. He can multiply the numerator of the first fraction (3) with the denominator of the second fraction (7), and multiply the numerator of the second fraction (3) with the denominator of the first fraction (5). This would result in 21 and 15. Now, he can compare the products and determine that 21 is greater than 15, which means 3/5 is greater than 3/7.

3. Converting to decimals: Rohit can convert both fractions into decimals and then compare them. He can divide 3 by 5 to get 0.6 and divide 3 by 7 to get approximately 0.428. Now, he can easily compare the decimals and determine that 0.6 is greater than 0.428, which means 3/5 is greater than 3/7.
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Community Answer
While teaching comparison of fractions in which the numerators are the...
While learning mathematics, children come up with their own naive theories, which needs to be cleaned by the teacher. 
  • It is clear from the scenario of Rohit saying that numerator is the same, he is aware of the concept of numerator and denominator.
  • While comparing fractions with the same numerator, the fraction which has a smaller denominator is considered as bigger.
  • Thus, the answer must be '3/5 is bigger than 3/7'. But Rohit says it in the opposite way. It is because doe not know the concept of resultant magnitude of fractions.
Hence, we conclude that Rohit does not understand the magnitude of fractions.
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While teaching comparison of fractions in which the numerators are the samee.g 3/5 and 3/7Rohit’s response was “since the numerators are same and since 7 is larger than 5, therefore 3/7is greater than 3/5.This suggests thata)Rohit does not understand the magnitude of fractionsb)Rohit does not know the concept of numerator and denominatorc)Rohit does not know the concept of equivalent fractionsd)Rohit has not practised wellCorrect answer is option 'A'. Can you explain this answer?
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While teaching comparison of fractions in which the numerators are the samee.g 3/5 and 3/7Rohit’s response was “since the numerators are same and since 7 is larger than 5, therefore 3/7is greater than 3/5.This suggests thata)Rohit does not understand the magnitude of fractionsb)Rohit does not know the concept of numerator and denominatorc)Rohit does not know the concept of equivalent fractionsd)Rohit has not practised wellCorrect answer is option 'A'. Can you explain this answer? for CTET & State TET 2024 is part of CTET & State TET preparation. The Question and answers have been prepared according to the CTET & State TET exam syllabus. Information about While teaching comparison of fractions in which the numerators are the samee.g 3/5 and 3/7Rohit’s response was “since the numerators are same and since 7 is larger than 5, therefore 3/7is greater than 3/5.This suggests thata)Rohit does not understand the magnitude of fractionsb)Rohit does not know the concept of numerator and denominatorc)Rohit does not know the concept of equivalent fractionsd)Rohit has not practised wellCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for CTET & State TET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for While teaching comparison of fractions in which the numerators are the samee.g 3/5 and 3/7Rohit’s response was “since the numerators are same and since 7 is larger than 5, therefore 3/7is greater than 3/5.This suggests thata)Rohit does not understand the magnitude of fractionsb)Rohit does not know the concept of numerator and denominatorc)Rohit does not know the concept of equivalent fractionsd)Rohit has not practised wellCorrect answer is option 'A'. Can you explain this answer?.
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