Mass

12 Grade 5 Mathematics questions on Mass, with worked marking schemes. 12 questions are available on this topic in full.

1. Question 1

   1 mark

   A packet of maize flour has a mass of $2$ kg. What is this mass in grams?

   A. $2000$ g

   B. $200$ g

   C. $20000$ g

   D. $20$ g

   (1 mark)

   Marking scheme for this question

   Create a free account to see it

2. Question 2

   1 mark

   How many 250 g packets can be filled from a 3 kg bag?

   A. 8

   B. 12

   C. 15

   D. 10

   (1 mark)

   Marking scheme for this question

   Create a free account to see it

3. Question 3

   1 mark

   Convert 6,840 g to kg and g.

   A. 6 kg 84 g

   B. 68 kg 4 g

   C. 6 kg 840 g

   D. 68 kg 40 g

   (1 mark)

   Marking scheme for this question

   Create a free account to see it

4. Question 4

   1 mark

   A sack of maize weighs 90 kg. Its empty mass is 2 kg 500 g. What is the net mass of maize?

   A. 87 kg 500 g

   B. 87 kg 400 g

   C. 88 kg 500 g

   D. 87 kg

   (1 mark)

   Marking scheme for this question

   Create a free account to see it

5. Question 5

   1 mark

   Convert 7 kg 350 g to grams.

   A. 73,500 g

   B. 7,035 g

   C. 735 g

   D. 7,350 g

   (1 mark)

   Marking scheme for this question

   Create a free account to see it

6. Question 6

   1 mark

   10 kg − 4 kg 650 g = ___

   A. 5 kg 450 g

   B. 6 kg 350 g

   C. 5 kg 350 g

   D. 6 kg 450 g

   (1 mark)

   Marking scheme

   C. $5$ kg $350$ g — write $10$ kg as $10,000$ g before subtracting: $10,000-4,650=5,350$ g. Treating it as $10-4$ and tacking the grams on gives B.

7. Question 7

   1 mark

   5 kg 600 g + 3 kg 750 g = ___

   A. 9 kg 350 g

   B. 8 kg 350 g

   C. 8 kg 450 g

   D. 9 kg 250 g

   (1 mark)

   Marking scheme for this question

   Create a free account to see it

8. Question 8

   1 mark

   A recipe needs 400 g of flour. How much flour for 6 times the recipe?

   A. 2.4 kg

   B. 2.0 kg

   C. 2.6 kg

   D. 2.8 kg

   (1 mark)

   Marking scheme

   A. $2.4$ kg — six times the recipe needs six times the flour: $400\times 6=2,400$ g, which is $2.4$ kg since $1,000$ g make a kilogram.

9. Question 9

   1 mark

   Two parcels weigh 3 kg 750 g and 2 kg 800 g. What is their total mass?

   A. 5 kg 550 g

   B. 7 kg 550 g

   C. 6 kg 550 g

   D. 6 kg 450 g

   (1 mark)

   Marking scheme for this question

   Create a free account to see it

10. Question 10

    3 marks

    A cooking gas cylinder has a mass of $13$ kg $500$ g when full and $6$ kg $200$ g when empty. What is the mass of the gas inside the cylinder?

    (3 marks)

    Marking scheme for this question

    Create a free account to see it

11. Question 11

    1 mark

    3.5 kg = ___ g

    A. 3,050 g

    B. 3,500 g

    C. 35,000 g

    D. 350 g

    (1 mark)

    Marking scheme for this question

    Create a free account to see it

12. Question 12

    1 mark

    A lorry carries loads of 4 kg 500 g each. What is the mass of 8 loads?

    A. 36 kg

    B. 32 kg

    C. 40 kg

    D. 28 kg

    (1 mark)

    Marking scheme

    A. $36$ kg — every load is the same, so multiply: $4,500\times 8=36,000$ g, which is $36$ kg. Multiplying only the whole kilograms gives D.

13. 9 more marking schemes are on this page. A free account opens all of them, and lets you build your own paper on the topics you have actually taught, laid out in KNEC format with its full marking scheme.

    Create a free account

More Grade 5 Mathematics topics