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Topic: Semester 1 Review 5 Paper 2 (Lesson 30)

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T__O_S_Pe_ICm_N_e_As_Mt_eE_r_1__R__e_v_ie_w__5__P_a__p_e_r_2__(L__e_s_s_o_n__3_0_)__________

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Primary 6: Rev Up! Math

Review 5 Paper 2 55

Questions 1 to 5 carry 2 marks each. Show your working clearly in the space provided

for each question and write your answers in the spaces provided.

For questions which require units, give your answers in the units stated. (10 marks)

1. Class A and Class B have the same number of pupils. The ratio of the number of

boys to the number of girls in Class A is 3 : 2. The ratio of the number of boys to

the number of girls in Class B is 3 : 5. Find the ratio of the total number of girls to

the total number of boys.

.

Ans :

2. In the figure, LMNO is a rhombus, LOQR is a parallelogram.

MNQR and ONPQ are rectangles. ∠NQO is 37⚬. Find ∠LMN.

Ans : °

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Primary 6: Rev Up! Math

3. Jayden collected 354 game cards. He collected 18% more game cards Cayden.

How many game cards did Jayden and Cayden collect altogether?

Ans :

4. A rectangular tank measures 23 cm by 17 cm by 11 cm. Jason pours 4 litres of

water into the tank. What is the height of the water level in the tank?

Give your answer to the nearest 2 decimal places.

Ans :

5. There are three statements given below. Each statement is either true, false, or not

possible to tell from the information given. For each statement, put a tick ( ) in the

correct column.

John’s salary is 20% more than Harry’s salary but 20% less than Ken’s salary.

Statement True False Not possible to

tell

Harry’s salary is the lowest.

The ratio of John’s salary to Ken’s

salary is 6 : 7.

Ken’s salary is 40% more than

Harry’s salary.

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Primary 6: Rev Up! Math

For questions 6 to 17, show your working clearly in the space provided for each question

and write your answers in the spaces provided. The number of marks allocated is shown in

brackets [ ] at the end of each question or part-question.

(45 marks)

6. In the figure, ABCD is a rhombus. AEFG is a rectangle.

AJKL is a trapezium. ∠BAL is 219⚬. Find ∠ALK.

Ans : [3]

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Primary 6: Rev Up! Math

7. Anita started a savings plan. On Day 1, she saved $5.60. On Day 2 onwards, she

saved $ more than the previous day. At the end of Day 5, she had saved a total of

$51.60. What is the value of ?

Ans : [3]

8. A group of pupils took a test. If Belle’s score of 32 points were added, the average

score would decrease to 56 points. If Sri’s score of 83 points were added, the average

score would increase to 59 points. What was the average score of the group at first?

Ans : [3]

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Primary 6: Rev Up! Math

9. The table below shows the postage rates for mailing a parcel to Tokyo.

Statement Postage

First 100 g $3.60

Next 250 g $9.55

Every additional 100 g or part thereof $3.95

Ans : [3]

10. Ajaya likes to collect Among Us and Transformer cards. He collects them in a

systematic way. The following table shows the total numbers of each type of

cards collected from Day 1 to Day 7

Day Among Us Transformer Total

12 3 5

22 8 10

35 8 13

45 13 18

58 13 21

68 18 26

7 11 18 29

(a) On Day 14, how many Transformer cards will Ajaya collect?

(b) On a particular day, he would have collected a total of 2018 cards. What

day will it be?

Ans : (a) [2]

(b) [2]

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Primary 6: Rev Up! Math

11. The figure below is made up of a square, a semi-circle and a quadrant.

The square has a side of 100 cm. Find the difference in the area of part A and

part B.

(Take = 3.14 )

100 cm

Ans : [4]

12. Oliver wanted to buy 8 storybooks but was short of $8.10. He bought 5

storybooks and had $12.60 left. How much money did he have?

Ans : [3]

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Primary 6: Rev Up! Math

13. Bala stacked a cuboid measuring 43 cm by 32 cm by 21 cm with 1-cm cubes

together. He then painted the cuboid blue.

(a) How many 1-cm cubes were used to build the cuboid?

(b) Bala decided to dismantle the cuboid. How many unpainted cubes would he

have?

Ans : (a) [2]

(b)

7[2]

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Primary 6: Rev Up! Math

14. The following graph shows the number of pupils from a school achieving

distinctions at the national examination from year 2012 to 2018.

Number

of

pupils

(a) In which year was the increase in the number of pupils achieving distinctions

the highest compared to the previous year?

(b) In year 2017, there was a decrease in the number of pupils achieving

distinctions compared to 2016. What was the percentage decrease?

Ans : (a) [1]

(b)

[2]

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Primary 6: Rev Up! Math

15. In the figure, YPQ is an equilateral triangle and UVW is an isosceles triangle.

UVPQ is a trapezium.

(a) Find ∠ UWV.

(b) Find ∠ STU.

Ans : (a) [3]

(b)

9[2]

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Primary 6: Rev Up! Math

16. Ms Angie paid a total of $2385 for some skirts and dresses. Each skirt cost $14

less than each dress. The number of dresses bought was of the number of skirts

bought. She paid $127.80 more for the dresses than the skirts.

(a) How much did she pay for all the skirts?

(b) ow many skirts and dresses did she buy altogether?

Ans : (a) [3]

(b)

[2]

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10

Primary 6: Rev Up! Math

17. At a shop, pens are sold only in boxes of 12. Erasers are packed and sold in

packets of 7. Each box of 12 pens costs $3.85 and each packet of 7 erasers

costs $2.50.

(a) Mdm Lim needed 45 pens and 25 erasers. What was the least amount of

money that she spent on the pens and erasers?

(b) Mrs Goh bought 6 fewer pens than erasers from the shop. The total number

of pens and erasers she bought was fewer than 80. How much did Mrs Goh

spend on the erasers and pencils altogether?

Ans : (a) [3]

(b)

[2]

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11