Mass

23 Grade 1 Mathematics questions on Mass, with worked marking schemes. 23 questions are available on this topic in full.

1. Question 1

   1 mark

   Which one is lighter?

   A. A stone

   B. A brick

   C. A feather

   D. A big book

   (1 mark)

   Marking scheme

   C. A feather — a feather is so light it can float on air, while a stone, a brick and a big book are all much heavier.

2. Question 2

   1 mark

   Fill in (heavier/lighter): A lorry is ___ than a bicycle.

   (1 mark)

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3. Question 3

   1 mark

   Is a full sack of potatoes heavier or lighter than one potato?

   (1 mark)

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4. Question 4

   1 mark

   Which is heavier, a bottle full of water or an empty bottle?

   A. You cannot tell

   B. They weigh the same

   C. A bottle full of water

   D. An empty bottle

   (1 mark)

   Marking scheme

   C. A bottle full of water — the full bottle has the water's mass as well as the bottle's, so it must be heavier.

5. Question 5

   1 mark

   Which tool do you use to find out how heavy an object is?

   A. A balance

   B. A cup

   C. A clock

   D. A ruler

   (1 mark)

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6. Question 6

   2 marks

   A mango balances $3$ stones. An avocado balances $4$ stones. Which fruit needs more stones to balance it?

   (2 marks)

   Marking scheme

   The mango uses $3$ stones and the avocado uses $4$ stones. Since $4$ is more than $3$, the avocado needs more stones (it is heavier).

7. Question 7

   1 mark

   Which one is heavier?

   A. A pencil

   B. A feather

   C. A cat

   D. An elephant

   (1 mark)

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8. Question 8

   1 mark

   A book balances $3$ pencils on a balance. How many pencils weigh the same as the book?

   (1 mark)

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9. Question 9

   2 marks

   A watermelon balances $8$ oranges. A pineapple balances $5$ oranges. Which fruit is heavier?

   (2 marks)

   Marking scheme

   The watermelon needs $8$ oranges and the pineapple needs $5$ oranges. Since $8$ is more than $5$, the watermelon is heavier.

10. Question 10

    1 mark

    One mango weighs the same as $2$ oranges. How many oranges weigh the same as $2$ mangoes?

    A. $4$

    B. $2$

    C. $3$

    D. $6$

    (1 mark)

    Marking scheme

    A. $4$ — one mango balances $2$ oranges, so two mangoes balance twice as many: $2\times 2=4$. B gives the number of mangoes rather than oranges.

11. Question 11

    1 mark

    Is a lorry heavier or lighter than a bicycle?

    (1 mark)

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12. Question 12

    1 mark

    Which is heavier: 1 book or 5 books?

    (1 mark)

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13. Question 13

    1 mark

    Tin A holds $5$ stones and Tin B holds $9$ stones. Which tin is heavier?

    (1 mark)

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14. Question 14

    1 mark

    Which is lighter: an elephant or a cat?

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15. Question 15

    1 mark

    One pawpaw balances $4$ stones. Another pawpaw balances $6$ stones. Which pawpaw is heavier?

    A. They weigh the same

    B. The stones are heavier

    C. The one that balances $6$ stones

    D. The one that balances $4$ stones

    (1 mark)

    Marking scheme

    C. The one that balances $6$ stones — the stones are all alike, so the pawpaw that needs more of them to balance must be heavier.

16. Question 16

    1 mark

    Which is heavier: a stone or a feather?

    (1 mark)

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17. Question 17

    2 marks

    A basket balances $10$ marbles. Is the basket heavier or lighter than $6$ marbles?

    (2 marks)

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18. Question 18

    1 mark

    Which is heavier?

    A. The smaller bag

    B. A $2$ kg bag of sugar

    C. They weigh the same

    D. A $1$ kg bag of sugar

    (1 mark)

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19. Question 19

    1 mark

    On a see-saw balance, one side goes down and the other side goes up. Is the side that goes down heavier or lighter?

    (1 mark)

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20. Question 20

    1 mark

    A full bag is heavier than an empty bag. True or false?

    (1 mark)

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21. Question 21

    1 mark

    Two bananas balance one orange on a scale. Which is heavier?

    A. Neither

    B. They weigh the same

    C. One orange

    D. One banana

    (1 mark)

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22. Question 22

    2 marks

    Arrange these from the lightest to the heaviest: a stone, a feather, a brick.

    (2 marks)

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23. Question 23

    1 mark

    Which one is the heaviest?

    A. An exercise book

    B. A bag of maize

    C. A leaf

    D. An eraser

    (1 mark)

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