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Grade 5 Math Fraction Comparison Method Fill - in - the - Blank
Mathematics
Grade 5 (Primary School)
Question Content
Method of comparing fraction sizes: For fractions with the same denominator, the fraction with a larger numerator is (______), and the fraction with a smaller numerator is (______); for fractions with the same numerator, the fraction with a larger denominator is (______), and the fraction with a smaller denominator is (______); for fractions with different denominators and numerators, first find a common denominator, and convert the fractions with different denominators into fractions with the same denominator before comparing.
Correct Answer
large, small, small, large
Detailed Solution Steps
1
Recall the rule for comparing fractions with the same denominator: the size of the fraction is determined by the size of the numerator (a larger numerator means a larger fraction). So fill in 'large' for the first blank and 'small' for the second blank.
2
Recall the rule for comparing fractions with the same numerator: the size of the fraction is determined by the size of the denominator (a larger denominator means a smaller fraction, because each part is smaller). So fill in 'small' for the third blank and 'large' for the fourth blank.
3
Conclusion: fill in 'large', 'small', 'small', 'large'.
Knowledge Points Involved
1
Fraction Comparison Methods
Rules for comparing fractions: (1) For fractions with the same denominator, compare the numerators (a larger numerator means a larger fraction). (2) For fractions with the same numerator, compare the denominators (a larger denominator means a smaller fraction). (3) For fractions with different denominators, find a common denominator first and then apply the rule for fractions with the same denominator.
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