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Class 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.Which of these is the same length as 250 centimetres?

    • a) 2 metres and 50 centimetres
    • b) 20 metres and 50 centimetres
    • c) 2 metres and 5 centimetres
    • d) 25 metres

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

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

  4. 4.There are 1,000 metres in 1 kilometres. How many metres are there in 3 kilometres? Give just the number.

  5. 5.A rope 5 metres long is cut into pieces each 50 centimetres long. How many pieces are there? Give just the number.

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

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

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

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

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

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

  1. 1. a) 2 metres and 50 centimetres
  2. 2. 400
  3. 3. 7
  4. 4. 3000
  5. 5. 10
  6. 6. 1. 50 centimetres 2. 2 metres 3. 350 centimetres 4. 9 metres 5. 1 kilometres
  7. 7. 2000
  8. 8. b) centimetres