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PAPER 1

This question paper has 20 questions. Answer all the questions.



1. Which of the following is true?
   A 6.7 kg = 67 g                           C       45 670 g = 4.567 kg
   B 4.73 kg = 473 g                         D       3 125 g = 3.125 kg

2. Table 1 shows the mass of 4 objects.

                            Object          P                  Q         R         S
                            Mass         2 kg 80 g           2 800 g   2.08 kg   2 008 g

                                                         TABLE 1
   Which object is the lightest?
   A P                                       C       R
   B Q                                       D       S

3. 11 kg 260 g + 1 230 g – 7.3 kg =
   A 5 kg 190 g                     C                4 kg 190 g
   B 5 kg 75 g                      D                4 kg 75 g

4. 0.416 kg ×               = 41 600 g
   What should be written in the                 above?
   A       10                                C       1 000
   B       100                               D       10 000

       3
5. 2   4   of 800 g =
   A       2.2 kg                            C       220 kg
   B       22 kg                             D       2 200 kg

6. Which of the following has the largest value?
               3                                         3
   A       1   5   × 3 kg                    C       1   8
                                                              × 4 kg
               1                                         1
   B       1   4   × 5 kg                    D       1   2    × 3 kg


7. 27 kg 612 g ÷ 12 =
   A 2 kg 401 g                              C       2 kg 301 g
   B 2 kg 361 g                              D       2 kg 251 g



                                                               1
8.            of 1 420 g = 3.55 kg
     Which of the following fractions is not suitable to be filled in the empty box above?
               5                                 3
     A    2   10                         C   2   6

              3                                  1
     B    2   9                          D   2   2




9. Diagram 1 shows object X and object Y on a scale.

                                                                         Y

                                     X




                                             DIAGRAM 1
     The mass of X is 1.85 kg while the mass of Y is 700 g. Calculate the number of 50 g weights
     needed to be put at Y to balance the scale.
     A 25                               C 21
     B 23                               D 19

10. Diagram 2 shows the total mass of two objects, M and N.
                                                                 900 g

                                             M
                                                             N


                                                       0
                                                     5 kg 1
                                                     4       2
                                                         3




                                             DIAGRAM 2
     If object N is replaced with object Z of mass 550 g, what is the total mass, in kg, of object M and
     Z?
     A 3.16                              C 3.35
     B 3.25                              D 3.52

11. A farmer usually collects 2 960 kg of kelapa sawit in a week. Estimate the total mass, in kg, of
    kelapa sawit the farmer can gather in 20 weeks?
    A 100 000                         C 60 000
    B 80 000                          D 6 000

12. The mass of an empty box is 1.56 kg. When filled with 50 soap bars, the mass is 5 kg 310 g.
    What is the mass, in g, of a soap bar?
    A 60                               C 600
    B 75                               D 750

                                                         2
13. The mass of a jackfruit is 6 kg 480 g, while the mass of two durians is 4.6 kg. If the mass of the
    two durians is the same, calculate the difference between the mass, in kg, of a jackfruit and the
    mass of a durian.
    A 3.78                             C 4.25
    B 4.18                             D 4.45

14. A bread factory uses 2 604 kg of flour in 3 weeks. What is the total mass, in kg, of flour used in
    10 days?
    A 1 240                           C 1 410
    B 1 320                           D 1 440

                                                1
15. Mandy’s mass is 42 kg. Jack’s is        4
                                                2
                                                     kg heavier than Mandy but 2.4 kg thinner than Jason.
   What is Jason’s mass, in kg?
   A 48.9                               C           46.4
   B 47.5                               D           45.1

16. The mass of a packet of salt is 2.3 kg. Calculate the mass, in g, of 9 similar packets of salt.
    A 20.7                              C 20 700
    B 2 070                             D 207 000

17. The mass of a marrow and a cucumber is 1.9 kg and 205 g respectively. Calculate the total
    mass, in kg, of a marrow and 5 cucumbers.
    A 2.925                           C 2.105
    B 2.72                            D 2.095

18. Given the mass of a bilingual dictionary is 3.05 kg while the mass of a Mathematics textbook is
       2
   1   5   kg. What is the difference between the mass, in kg, of the bilingual dictionary and the
   Mathematics textbook?
   A 4.45                               C           1.65
   B 2.65                               D           1.45

19. Table 2 shows three types of cakes sold in Yum-Yum Bakery and their mass.

                         Cake           Cream                  Cheese    Ice cream
                         Mass          1 kg 50 g               900 g      2.05 kg

                                                     TABLE 2

   Find the total mass, in kg, of 1 cream cake, 5 cheese cakes and 2 ice cream cakes.
   A 51.5                               C 10.1
   B 11.0                               D 9.65

20. There are some beans in a jar. The total mass of the jar and the beans is 9 kg. If the mass of the
    jar is 1.75 kg and the mass of one bean is about 2 g, which of the following is the best
    estimation for the number of beans in the jar?
    A Between 35 and 40               C Between 3 500 and 4 000
    B Between 45 and 50               D Between 4 500 and 5 000



                                                           3
PAPER 2

This question paper has 10 questions. Answer all the questions.


1. Calculate 1.9 kg – 0.56 kg + 800 g. Give your answer in kg.
   Answer:

      4
2.    5   × 600 g =             kg

     Answer:

3. 4 kg 28 g – 3.16 kg =              g
   Answer:

4. The mass of 40 marbles is 3 kg. What is the mass, in g, of 12 similar marbles?
   Answer:

5. Diagram 1 shows two solids and their masses respectively.




                                          1 250 g                     0.86 kg


                                                 DIAGRAM 1
     What is the difference in mass, in kg, of the two solids?
     Answer:

6. Aishah’s mass is 2 times Ann Lee’s mass. If Aishah weighs 52.8 kg, what is their total mass, in kg?
   Answer:

7. Table 1 shows the mass of two types of fruits.

                                          Fruit               Mass

                                     Starfruit                228 g

                                                                  4
                                     Papaya               1   1
                                                                  5     kg


                                                  TABLE 1
     Calculate the difference in mass, in kg, of the starfruit and the papaya.
     Answer:

8. Hafiz’s family used 2.1 kg of sugar in 5 weeks. What was the mass of sugar they used in 2
   days?
   Answer:


                                                     4
2
9. Choy Moy used     5
                         of 2 kg of red beans to make porridge. How much red bean did Choy Moy
   use to make the porridge? Give your answer in g.
   Answer:


10. Diagram 2 shows the mass of an apple.




                                                   0
                                                   g
                                             300       100
                                               200




                                            DIAGRAM 2
   When an orange is added on the weighing machine, the reading becomes 155 g. What is the
   mass, in kg, of the orange?
   Answer:




                                                   5

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Topic 8 mass

  • 1. PAPER 1 This question paper has 20 questions. Answer all the questions. 1. Which of the following is true? A 6.7 kg = 67 g C 45 670 g = 4.567 kg B 4.73 kg = 473 g D 3 125 g = 3.125 kg 2. Table 1 shows the mass of 4 objects. Object P Q R S Mass 2 kg 80 g 2 800 g 2.08 kg 2 008 g TABLE 1 Which object is the lightest? A P C R B Q D S 3. 11 kg 260 g + 1 230 g – 7.3 kg = A 5 kg 190 g C 4 kg 190 g B 5 kg 75 g D 4 kg 75 g 4. 0.416 kg × = 41 600 g What should be written in the above? A 10 C 1 000 B 100 D 10 000 3 5. 2 4 of 800 g = A 2.2 kg C 220 kg B 22 kg D 2 200 kg 6. Which of the following has the largest value? 3 3 A 1 5 × 3 kg C 1 8 × 4 kg 1 1 B 1 4 × 5 kg D 1 2 × 3 kg 7. 27 kg 612 g ÷ 12 = A 2 kg 401 g C 2 kg 301 g B 2 kg 361 g D 2 kg 251 g 1
  • 2. 8. of 1 420 g = 3.55 kg Which of the following fractions is not suitable to be filled in the empty box above? 5 3 A 2 10 C 2 6 3 1 B 2 9 D 2 2 9. Diagram 1 shows object X and object Y on a scale. Y X DIAGRAM 1 The mass of X is 1.85 kg while the mass of Y is 700 g. Calculate the number of 50 g weights needed to be put at Y to balance the scale. A 25 C 21 B 23 D 19 10. Diagram 2 shows the total mass of two objects, M and N. 900 g M N 0 5 kg 1 4 2 3 DIAGRAM 2 If object N is replaced with object Z of mass 550 g, what is the total mass, in kg, of object M and Z? A 3.16 C 3.35 B 3.25 D 3.52 11. A farmer usually collects 2 960 kg of kelapa sawit in a week. Estimate the total mass, in kg, of kelapa sawit the farmer can gather in 20 weeks? A 100 000 C 60 000 B 80 000 D 6 000 12. The mass of an empty box is 1.56 kg. When filled with 50 soap bars, the mass is 5 kg 310 g. What is the mass, in g, of a soap bar? A 60 C 600 B 75 D 750 2
  • 3. 13. The mass of a jackfruit is 6 kg 480 g, while the mass of two durians is 4.6 kg. If the mass of the two durians is the same, calculate the difference between the mass, in kg, of a jackfruit and the mass of a durian. A 3.78 C 4.25 B 4.18 D 4.45 14. A bread factory uses 2 604 kg of flour in 3 weeks. What is the total mass, in kg, of flour used in 10 days? A 1 240 C 1 410 B 1 320 D 1 440 1 15. Mandy’s mass is 42 kg. Jack’s is 4 2 kg heavier than Mandy but 2.4 kg thinner than Jason. What is Jason’s mass, in kg? A 48.9 C 46.4 B 47.5 D 45.1 16. The mass of a packet of salt is 2.3 kg. Calculate the mass, in g, of 9 similar packets of salt. A 20.7 C 20 700 B 2 070 D 207 000 17. The mass of a marrow and a cucumber is 1.9 kg and 205 g respectively. Calculate the total mass, in kg, of a marrow and 5 cucumbers. A 2.925 C 2.105 B 2.72 D 2.095 18. Given the mass of a bilingual dictionary is 3.05 kg while the mass of a Mathematics textbook is 2 1 5 kg. What is the difference between the mass, in kg, of the bilingual dictionary and the Mathematics textbook? A 4.45 C 1.65 B 2.65 D 1.45 19. Table 2 shows three types of cakes sold in Yum-Yum Bakery and their mass. Cake Cream Cheese Ice cream Mass 1 kg 50 g 900 g 2.05 kg TABLE 2 Find the total mass, in kg, of 1 cream cake, 5 cheese cakes and 2 ice cream cakes. A 51.5 C 10.1 B 11.0 D 9.65 20. There are some beans in a jar. The total mass of the jar and the beans is 9 kg. If the mass of the jar is 1.75 kg and the mass of one bean is about 2 g, which of the following is the best estimation for the number of beans in the jar? A Between 35 and 40 C Between 3 500 and 4 000 B Between 45 and 50 D Between 4 500 and 5 000 3
  • 4. PAPER 2 This question paper has 10 questions. Answer all the questions. 1. Calculate 1.9 kg – 0.56 kg + 800 g. Give your answer in kg. Answer: 4 2. 5 × 600 g = kg Answer: 3. 4 kg 28 g – 3.16 kg = g Answer: 4. The mass of 40 marbles is 3 kg. What is the mass, in g, of 12 similar marbles? Answer: 5. Diagram 1 shows two solids and their masses respectively. 1 250 g 0.86 kg DIAGRAM 1 What is the difference in mass, in kg, of the two solids? Answer: 6. Aishah’s mass is 2 times Ann Lee’s mass. If Aishah weighs 52.8 kg, what is their total mass, in kg? Answer: 7. Table 1 shows the mass of two types of fruits. Fruit Mass Starfruit 228 g 4 Papaya 1 1 5 kg TABLE 1 Calculate the difference in mass, in kg, of the starfruit and the papaya. Answer: 8. Hafiz’s family used 2.1 kg of sugar in 5 weeks. What was the mass of sugar they used in 2 days? Answer: 4
  • 5. 2 9. Choy Moy used 5 of 2 kg of red beans to make porridge. How much red bean did Choy Moy use to make the porridge? Give your answer in g. Answer: 10. Diagram 2 shows the mass of an apple. 0 g 300 100 200 DIAGRAM 2 When an orange is added on the weighing machine, the reading becomes 155 g. What is the mass, in kg, of the orange? Answer: 5