Length

14 Grade 2 Mathematics questions on Length, with worked marking schemes. 14 questions are available on this topic in full.

1. Question 1

   1 mark

   Which is shorter, $50$ cm or $1$ metre?

   A. $50$ cm

   B. Cannot tell

   C. $1$ metre

   D. They are equal

   (1 mark)

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2. Question 2

   2 marks

   A rope is 5 m long and another is 2 m long. What is their total length?

   (2 marks)

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3. Question 3

   1 mark

   Which unit is best for measuring the length of a pencil?

   A. Kilometres

   B. Metres

   C. Litres

   D. Centimetres

   (1 mark)

   Marking scheme

   D. Centimetres — a pencil is small, so a small unit suits it. Metres and kilometres are for rooms and journeys, and litres measure liquid, not length.

4. Question 4

   1 mark

   Fill in (metres/kilograms): A door is about 2 ___ tall.

   (1 mark)

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5. Question 5

   1 mark

   Which unit is used to measure the length of a classroom: metres or litres?

   (1 mark)

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6. Question 6

   1 mark

   What is the correct unit for measuring length: the metre or the litre?

   (1 mark)

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7. Question 7

   2 marks

   A ribbon is $15$ cm long. Another ribbon is $20$ cm long. What is their total length when joined?

   (2 marks)

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8. Question 8

   1 mark

   Which unit is best for measuring the length of a classroom?

   A. Litres

   B. Metres

   C. Grams

   D. Centimetres

   (1 mark)

   Marking scheme

   B. Metres — a classroom is a few metres across. Centimetres would give an awkwardly large number, and grams and litres do not measure length at all.

9. Question 9

   1 mark

   Two ribbons each measure $25$ cm. What is their total length when joined end to end?

   (1 mark)

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10. Question 10

    2 marks

    A rope is $40$ cm long. A piece of $15$ cm is cut off. How long is the rope that remains?

    (2 marks)

    Marking scheme

    Subtract the piece cut off: $40-15=25$ cm. The remaining rope is $25$ cm.

11. Question 11

    1 mark

    Which is longer, $1$ metre or $1$ centimetre?

    A. $1$ metre

    B. $1$ centimetre

    C. They are equal

    D. Cannot tell

    (1 mark)

    Marking scheme

    A. $1$ metre — a metre is $100$ centimetres, so it is much longer than one centimetre.

12. Question 12

    1 mark

    How many centimetres make $1$ metre?

    (1 mark)

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13. Question 13

    2 marks

    Arrange these lengths from the shortest to the longest: $8$ cm, $3$ cm, $12$ cm.

    (2 marks)

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14. Question 14

    1 mark

    Which is longer: 3 metres or 1 metre?

    (1 mark)

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