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Year 4 Maths — Changing between units of measure

Change a measurement from a larger unit to a smaller one and back again, and add measurements written in mixed units.

Name: ________________________

  1. 1.There are 1,000 g in 1 kg. How many g are there in 2 kg? Give just the number.

  2. 2.There are 100 centimetres in 1 metres. How many metres are there in 700 centimetres? Give just the number.

  3. 3.Put these lengths in order, shortest first.

    • 350 centimetres
    • 9 metres
    • 1 kilometres
    • 50 centimetres
    • 2 metres

  4. 4.Sort each length by whether it is less than 1 metres or more than 1 metres.

    Groups: Less than 1 metres · More than 1 metres

    • 250 centimetres
    • 3 metres
    • 150 centimetres
    • 45 centimetres
    • 99 centimetres
    • 60 centimetres

  5. 5.Match each measurement to the same measurement written another way.

    • 1 metres
    • 3 metres
    • 1 kilometres
    • 1 kg
    • 2 kg
    • 300 centimetres
    • 1,000 g
    • 2,000 g
    • 100 centimetres
    • 1,000 metres

  6. 6.There are 100 centimetres in 1 metres. How many centimetres are there in 4 metres? Give just the number.

  7. 7.Which unit would you choose to measure the length of a pencil?

    • a) centimetres
    • b) kilograms
    • c) kilometres
    • d) metres

  8. 8.There are 1,000 g in 1 kg. How many kg are there in 5,000 g? Give just the number.

Answer key — Year 4 Maths — Changing between units of measure

  1. 1. 2000
  2. 2. 7
  3. 3. 1. 50 centimetres 2. 2 metres 3. 350 centimetres 4. 9 metres 5. 1 kilometres
  4. 4. 60 centimetres → Less than 1 metres; 150 centimetres → More than 1 metres; 99 centimetres → Less than 1 metres; 3 metres → More than 1 metres; 250 centimetres → More than 1 metres; 45 centimetres → Less than 1 metres
  5. 5. 1 metres → 100 centimetres; 3 metres → 300 centimetres; 1 kilometres → 1,000 metres; 1 kg → 1,000 g; 2 kg → 2,000 g
  6. 6. 400
  7. 7. a) centimetres
  8. 8. 5