AQA · Mathematics · 8300

GCSE Maths: Scales: reading

Ratio & Proportion · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths practice questions for Scales: reading (Corbettmaths Video 284), and every card links back to the exact page it came from. Practice tests generate fresh variations of these questions, so the numbers change every attempt. Source material © Corbettmaths — used with attribution.

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  1. If a scale can measure up to 3 kg but you need to weigh 6 kg, how can you do this?

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    Weigh the item in two batches (e.g., 3 kg + 3 kg) and add the measurements together.

  2. A car is travelling at 65 km/h and the speed limit is 80 km/h. How much slower than the limit is the car travelling?

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    15 km/h slower (80 - 65 = 15).

  3. What does a negative temperature reading (e.g., −6°C) indicate?

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    A temperature below zero degrees, typically below the freezing point of water.

  4. If the temperature is −7°C and it rises by 4°C, what is the new temperature?

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    −3°C (−7 + 4 = −3).

  5. A measuring jug contains some milk, but 650 ml is needed for a recipe. How do you find how much more milk is needed?

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    Subtract the current amount shown on the jug from 650 ml.

  6. How many grams are in 1 kilogram?

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    1000 grams.

  7. A fuel gauge shows the tank is 3/4 full. If the full capacity is 420 litres, how much fuel is in the tank?

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    315 litres (3/4 × 420 = 315).

  8. A car has 51 litres of fuel, which is 3/4 of a full tank. How do you find the full tank capacity?

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    Divide 51 by 3, then multiply by 4. (51 ÷ 3 × 4 = 68 litres total capacity).

  9. If a car drives 7 miles per litre and has a 68-litre tank, how far can it travel on a full tank?

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    476 miles (7 × 68 = 476).

  10. If a car actually drives more than 7 miles per litre, how does this affect the calculated total distance it can travel?

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    The car will be able to travel farther than the calculated distance. The actual distance will be greater.

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