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Class 3 Maths — Measuring with standard units

Choose a sensible unit for a length, a weight or an amount of liquid, and add and take away measurements.

Name: ________________________

  1. 1.About how tall is a door?

    • a) 200 metres
    • b) 2 metres
    • c) 20 metres

  2. 2.Sort each question by what it is measuring.

    Groups: Length · Weight

    • How tall is the door?
    • How heavy is the bag?
    • How much does the melon weigh?
    • How wide is the table?

  3. 3.Match each thing to the unit you would measure it in.

    • A pencil
    • A rope across a room
    • A bag of rice
    • Water in a bottle
    • litres
    • kilograms
    • metres
    • centimetres

  4. 4.Which one would you measure in kilometres?

    • a) A book
    • b) A spoon
    • c) A pencil
    • d) A road between two towns

  5. 5.A ribbon is 90 cm long and 25 cm is cut off. How much is left? Give just the number.

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

    • 40 cm
    • 90 cm
    • 15 cm
    • 65 cm

  7. 7.A bottle holds 6 l and 2 l are poured out. How much is left? Give just the number.

  8. 8.One bag holds 500 g of flour and another holds 400 g. What is the total? Give just the number.

Answer key — Class 3 Maths — Measuring with standard units

  1. 1. b) 2 metres
  2. 2. How tall is the door? → Length; How heavy is the bag? → Weight; How wide is the table? → Length; How much does the melon weigh? → Weight
  3. 3. A pencil → centimetres; A rope across a room → metres; A bag of rice → kilograms; Water in a bottle → litres
  4. 4. d) A road between two towns
  5. 5. 65
  6. 6. 1. 15 cm 2. 40 cm 3. 65 cm 4. 90 cm
  7. 7. 4
  8. 8. 900