4 ℓ of soup is shared equally among 5 pupils. How much soup does each of them get? Give your answer in millilitres.
Need a hint?
Share first (4 ÷ 5), then change the fraction of a litre into millilitres.
Worked answer
- Each gets 4 ÷ 5 = 4/5 ℓ.
- 4/5 ℓ = 4/5 × 1000 mℓ = 800 mℓ.
Answer: 800 mℓ
The mistake this question tests
Habit
Converting units (kg, ℓ, m, cm³)
Each share is 4 ÷ 5 = 4/5 ℓ. The question wants millilitres: 1 ℓ = 1000 mℓ, so 4/5 × 1000 = 800 mℓ.
How to fix it at home →Wrong answers children often give:
- 80 Converting units (kg, ℓ, m, cm³)
- 20000 Calculation slip
- 4/5 Left out the units
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