Fractions Division Derby

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Quiz on dividing fractions and whole numbers

Alessandro Cinco

Philippines

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Fractions Division Derby


Fractions Division DerbyVersion en ligne Quiz on dividing fractions and whole numbers par Alessandro Cinco 1 What is 3/4 ÷ 2? a 3/2 b 1/2 c 6/4 d 3/8 2 Divide 7 by 1/3. a -21 b 3 c 21 d 7/3 3 Compute (5 ÷ 1/2) ÷ 2. a 5 b 2.5 c 10 d 7.5 4 Which operation is correct for (a/b) ÷ (c/d)? a Subtract the reciprocal of the divisor b Multiply by the reciprocal of the divisor c Divide the numerators only d Add the fractions 5 0 ÷ 3 equals what? a undefined b 0 c 3 d 1/3 6 Divide 2 1/2 by 1/4. a 2 b 6 c -10 d 10 7 1 ÷ (2/3) equals? a 3/4 b 1/3 c 3/2 d 2/3 8 Is 4 ÷ (−1/2) equal to −8? a No b Only with negatives c Only if simplified d Yes 9 If a recipe uses 3/5 cup sugar and serves 3 parts, how much per part? a 3/10 cup b 2/5 cup c 3/5 cup d 1/5 cup 10 Divide 9 by 3/4. a 6 b 12 c 27/4 d 9/4 Feedback 1 Dividing by 2 is multiplying by 1/2: 3/4 × 1/2 = 3/8. 2 Dividing by a fraction multiplies by its reciprocal: 7 ÷ 1/3 = 7 × 3 = 21. 3 5 ÷ 1/2 = 10; then 10 ÷ 2 = 5. 4 Dividing by a fraction equals multiplying by its reciprocal: (a/b) × (d/c). 5 Any number divided into zero parts is 0. 6 2.5 ÷ 0.25 = 10. 7 Dividing by 2/3 multiplies by 3/2: 1 × 3/2 = 3/2. 8 4 ÷ (−1/2) = 4 × (−2) = −8. 9 3/5 ÷ 3 = 3/5 × 1/3 = 1/5. 10 9 ÷ 0.75 = 9 × 4/3 = 12.