Mass

17 Grade 2 Mathematics questions on Mass, with worked marking schemes. 17 questions are available on this topic in full.

1. Question 1

   2 marks

   A bag of maize is 10 kg and a bag of beans is 4 kg. What is their total mass?

   (2 marks)

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2. Question 2

   2 marks

   A basket holds $4$ kg of oranges. If $1$ kg is removed, what mass of oranges remains?

   (2 marks)

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3. Question 3

   1 mark

   Which is heavier: 5 kg or 2 kg?

   (1 mark)

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4. Question 4

   1 mark

   A balance has $5$ kg of sugar on one side. To make it balance, how many kilograms are needed on the other side?

   A. $0$ kg

   B. $10$ kg

   C. $2$ kg

   D. $5$ kg

   (1 mark)

   Marking scheme

   D. $5$ kg — a balance is level only when both sides carry the same mass, so it needs the same $5$ kg.

5. Question 5

   2 marks

   A watermelon has a mass of $4$ kg. A second watermelon has double this mass. What is the mass of the second watermelon?

   (2 marks)

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6. Question 6

   1 mark

   Which is lighter, $1$ kg of cotton or $3$ kg of cotton?

   A. They are the same

   B. $3$ kg of cotton

   C. $1$ kg of cotton

   D. Neither

   (1 mark)

   Marking scheme

   C. $1$ kg of cotton — the material is the same, so the smaller mass is lighter: $1$ kg is less than $3$ kg.

7. Question 7

   2 marks

   A sack of potatoes has a mass of $10$ kg and a sack of carrots has a mass of $6$ kg. How much heavier is the sack of potatoes?

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8. Question 8

   1 mark

   A bag of maize is $5$ kg and a bag of beans is $3$ kg. Which bag is heavier?

   A. Neither

   B. The maize ($5$ kg)

   C. They have the same mass

   D. The beans ($3$ kg)

   (1 mark)

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9. Question 9

   1 mark

   Which unit do we use to measure the mass of a bag of sugar?

   A. Metres

   B. Kilograms

   C. Litres

   D. Hours

   (1 mark)

   Marking scheme

   B. Kilograms — mass is measured in kilograms. Metres measure length, litres capacity and hours time.

10. Question 10

    1 mark

    What is $2$ kg $+2$ kg?

    A. $6$ kg

    B. $4$ kg

    C. $3$ kg

    D. $2$ kg

    (1 mark)

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11. Question 11

    1 mark

    Write the short form of kilogram.

    (1 mark)

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12. Question 12

    1 mark

    A goat has a mass of $12$ kg and a chicken has a mass of $2$ kg. What is the difference in their mass?

    A. $8$ kg

    B. $10$ kg

    C. $14$ kg

    D. $12$ kg

    (1 mark)

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13. Question 13

    1 mark

    Arrange these masses from the lightest to the heaviest: $1$ kg, $3$ kg, $5$ kg.

    A. $1$ kg, $3$ kg, $5$ kg

    B. $1$ kg, $5$ kg, $3$ kg

    C. $3$ kg, $1$ kg, $5$ kg

    D. $5$ kg, $3$ kg, $1$ kg

    (1 mark)

    Marking scheme

    A. $1$ kg, $3$ kg, $5$ kg — 'lightest to heaviest' means smallest first, and the units are all the same so just order the numbers.

14. Question 14

    2 marks

    Two bags of flour each have a mass of $2$ kg. What is their total mass?

    (2 marks)

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15. Question 15

    1 mark

    Which unit is used to measure the mass of sugar: kilograms or metres?

    (1 mark)

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16. Question 16

    1 mark

    Which unit measures mass: kg or m?

    (1 mark)

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17. Question 17

    2 marks

    A melon has a mass of $2$ kg and a pawpaw has a mass of $3$ kg. What is their total mass?

    (2 marks)

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