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Year 3 Maths — Measuring length

Measure things with clips and with a ruler, and compare the lengths.

Name: ________________________

  1. 1.This ruler is marked in cm. Tap 7.

    Mark the line with an X.

    012345678910

  2. 2.A clip is 2 cm long. Match each length to how many clips fit along it.

    • 4 cm
    • 8 cm
    • 12 cm
    • 20 cm
    • 6
    • 2
    • 4
    • 10

  3. 3.Two ropes are 15 cm and 25 cm long. How long are they together?

  4. 4.Put these in order, shortest first.

    • A door
    • A bus
    • A pencil
    • An ant

  5. 5.A book is 20 cm long. How long are 2 books end to end?

  6. 6.A step is 4 clips long. How many clips are 3 steps?

  7. 7.Tap the mark at 15 cm.

    Mark the line with an X.

    05101520

  8. 8.Which of these is the longest?

    • a) 25 cm
    • b) 15 cm
    • c) 5 cm
    • d) 50 cm

Answer key — Year 3 Maths — Measuring length

  1. 1. 7
  2. 2. 4 cm → 2; 8 cm → 4; 12 cm → 6; 20 cm → 10
  3. 3. 40
  4. 4. 1. An ant 2. A pencil 3. A door 4. A bus
  5. 5. 40
  6. 6. 12
  7. 7. 15
  8. 8. d) 50 cm