Rational Numbers
ICSE · Class 7 · Mathematics
Flashcards for Rational Numbers — ICSE Class 7 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.
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Get startedSolve: Is 8 ÷ 5 an integer?
Answer
Step 1: Divide 8 by 5. Step 2: 8 ÷ 5 = 8/5. Step 3: 8/5 is a fraction, not an integer. Answer: No, 8 ÷ 5 is not an integer.
Write 5 as a rational number in fraction form.
Answer
Step 1: Any integer can be written with denominator 1. Step 2: 5 = 5/1. Answer: 5/1.
Check whether 3/4 is in standard form.
Answer
Step 1: The denominator must be positive. Step 2: 4 is positive. Step 3: 3 and 4 have no common factor other than 1. Answer: Yes, 3/4 is in standard form.
Check whether 15/24 is in standard form.
Answer
Step 1: The denominator is positive. Step 2: Check common factors of 15 and 24. Step 3: Both are divisible by 3. Answer: No, 15/24 is not in standard form.
Classify 45/17, -23/-16, -56/-115, and 125/325 as positive, negative, or zero rational numbers.
Answer
Step 1: 45/17 has same signs in numerator and denominator, so it is positive. Step 2: -23/-16 has same signs, so it is positive. Step 3: -56/-115 has same signs, so it is positive. Step 4: 125/325 has…
Classify -5/7, 8/-11, 15/-13, and -23/25.
Answer
Step 1: -5/7 has opposite signs, so it is negative. Step 2: 8/-11 has opposite signs, so it is negative. Step 3: 15/-13 has opposite signs, so it is negative. Step 4: -23/25 has opposite signs, so it …
Is 0 a positive rational number, negative rational number, or neither?
Answer
Step 1: 0 is a rational number. Step 2: It is not positive. Step 3: It is not negative. Answer: 0 is neither positive nor negative.
Compare 5/7 and -3/5.
Answer
Step 1: 5/7 is positive. Step 2: -3/5 is negative. Step 3: Every positive rational number is greater than every negative rational number. Answer: 5/7 > -3/5.
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