Primary 6 July Review 1 50 - · PDF file1 P6/Jul/Review1 Primary 6 July Review 1 Section...

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Primary 6

July Review 1

Section A: 10 Questions, 15 marks

Questions 1 to Questions 5 carry 1 mark each. Questions 6 to Questions 10 carry 2

marks each. Choose the correct answer and write it in the bracket provided. Calculators

are not allowed in this section.

1. Round off 576 594 to the nearest ten thousands.

(1) 570 000 (2) 576 600

(3) 577 000 (4) 580 000 ( )

2. Which of the following fraction has the largest value?

(1) (2)

(3) (4)

( )

3.

km = ______________ m

(1) 26.25 (2) 262.5

(3) 2625 (4) 26 250 ( )

4. Which of the following is the same as 6070 ml?

(1) 6 l 7 ml (2) 6 l 70 ml

(3) 60 l 7 ml (4) 60 l 70 ml ( )

50


5. Which one of the following figures does not belong to the group?

(1) (2)

(3) (4) ( )

6. 72 9 3 7 = 51

Which operations make the above number sentence correct?

(1) ÷ × +

(2) + ÷ ×

(3) – ÷ ×

(4) ÷ – +

( )

7. Mr Tan finished washing and polishing his car at 1.15 p.m. He took

h to wash

and

h to polish his car. At what time did he start?

(1) 9.40 a.m. (2) 9.54 a.m.

(3) 10.36 a.m. (4) 10.54 a.m. ( )


8. The figure below is not drawn to scale. It is made up of 2 semicircles of different

sizes. What is the perimeter of the shaded part in terms of π?

20 cm 20 cm

(1) (10π + 20) cm (2) (20π + 20) cm

(3) (30π + 20) cm (4) (40π + 20) cm ( )

9. In the figure below, ABCE is a rectangle. ABD is an isosceles triangle. Find

∠ABD.

A B

40°

E D C

(1) 20° (2) 40°

(3) 45° (4) 50° ( )

10. Sally was facing south at the beginning of a game. Her classmates gave her some

instructions to follow. Julie said, “Make a – turn clockwise.” Then Amy said,

“Turn 135° anticlockwise.” After making the 2 turns, which direction would Sally

be facing?

(1) Northwest (2) Northeast

(3) Southeast (4) Southwest ( )


Section B: 10 Questions, 15 marks

Questions 11 to 15 carry 1 mark each. Questions 16 to 20 carry 2 marks each. Show

your mathematical statements clearly in the space provided and write your answers in the

blank provided. No calculator is allowed in this section.

11. The sum of 4 consecutive odd numbers is 232. What is the largest of these 4

numbers?

Ans: ________________________

12.

= _____________ %

Ans: _______________________ %

13. Find the sum of and

as a decimal.

Ans: _______________________


14. Find the perimeter of a rhombus of side 4 cm.

Ans: ______________________ cm

15. Ronnie spent of his money on a tie and

of the remainder on a shirt. What

fraction of his money was left?

Ans: ________________________

16. Mr Lin’s salary was $1850 last year. This year, his salary was increased to $1961.

Find the percentage increase in his salary.

Ans: _______________________ %


17. Raymond is travelling at an average speed of 78 km/h. How far does he travel in

h?

Ans: ______________________ km

18. A rectangular container is 31 cm by 20 cm by 18 cm. Find the maximum number of

4-cm cubes that can be placed into the container.

Ans: ____________________ cubes

19. Marcus is 6 years old. His mother is 24 years older than he is. In how many years’

time will Marcus’ mother be 4 times as old as he is?

Ans: ________________ years’ time


20. Winston saved 40% of his salary every month. When Winston’s salary was reduced

by 10%, his savings became $1800. What was his salary at first?

Ans: $ _______________________

Section C: 6 Questions, 20 marks

For Questions 21 to 26, show your steps in the space provided for each question and

write your answers in the spaces provided. The marks for each question is shown in the [ ]

at the end of the question.

Calculators can be used in this section.

21. The pupils in class 6A caught a total of 80 spiders and beetles for a Science

experiment. They counted that there were 262 more spider legs than beetle legs.

How many spiders did the pupils catch?

Ans: ______________________ [2]


22.

of the visitors at the zoo were adults. There were 60 more children than adults.

The ratio of the number of boys to the number of girls was 2 : 3. How many more

girls than boys were at the zoo?

Ans: ______________________ [2]

23. Richard earned $3 for every box of chocolates he sold. He also received a bonus

of $8 for every 15 boxes of chocolates he sold. How much money did he earn if he

had sold 220 boxes of chocolates?

Ans: ______________________ [3]


24. Mr Koh had a sum of money. He gave $1400 to his wife and spent $400 on an

oven. He then gave of the remaining money to his 3 children. Given that each

child received

of Mr Koh’s original sum of money, how much did each child

receive?

Ans: ______________________ [4]

25. At 9 a.m., Jeffrey was cycling from point A to Point B. At the same time,

Marianne was cycling from Town B to Point A, using the same route as Jeffrey.

Cycling at a speed 4 km/h faster than Marianne, Jeffrey would pass Marianne

300 m away from the midpoint.

(a) What time did they pass each other?

(b) If Jeffrey took another 3 minutes to reach Point B, what time would

Marianne reach Point A?

Ans: (a) ___________________ [2]

(b) ___________________ [2]


26. A container measuring 100 cm by 50 cm by 30 cm was filled with water. A tap

was turned on to fill it with water at a rate of 4 l/min. Every 15 seconds after the

tap was turned on, a steel ball with a volume of 250 cm³ was added into the

container. How many steel balls would be in the container when the water level

reached the brim?

Ans: ______________________ [5]

Primary 6 July Review 1 50 - · PDF file1 P6/Jul/Review1 Primary 6 July Review 1 Section...

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