Aisyah had 56 kg of dough and divided it into 10 equal pieces. What was the mass of each piece? Give your answer as a fraction in the simplest form.
Need a hint?
Change dividing by 10 into multiplying by the reciprocal of 10.
Worked answer
- Divide the mass equally: 56 ÷ 10.
- Change division by 10 into multiplication by its reciprocal: 56 × 110.
- Cancel the common factor 5 to obtain 112.
Answer: 1/12 kg
The mistake this question tests
Habit
Simplest form in final fraction answers
Multiplying by 10 instead of its reciprocal gives 253. Dividing by 10 means multiplying by 110.
How to fix it at home →Wrong answers children often give:
- 25/3 Calculation slip
More PSLE fractions questions
MCQ · 1m
Rina read 4/9 of a storybook, Sam read 7/12 of a storybook, and Tara read 2/3 of a storybook
See the answer →Short answer · 2mFractions and decimals: answer both parts
See the answer →Structured · 4mBen and Alia each did some work at a school fair
See the answer →MCQ · 1mAt the school reading challenge, Aisyah, Daniel, Mei Lin and Kai each read a different fraction of a book
See the answer →Structured · 4mA baker uses sugar and flour to make treats for a school fair
See the answer →MCQ · 1mArrange the following fractions from the smallest to the greatest: 8/5, 13/6, 2 1/4
See the answer →Practise PSLE fractions until the mistakes stop.
Three PSLE questions, free, no sign-up. You’ll see exactly where the marks went. Then 7 days of everything for S$4.99.