2012 Primary 3 Mathematics End Year Examination 7

Section A

For each question, four options are given. One of them is the correct answer. Make your choice (1, 2, 3 or 4).

1.

Which of the following is 1000 more than 4808?

1. 3808
2. 4880
3. 5800
4. 5808

2.

Find the difference between 406 and 8000.

1. 7694
2. 7604
3. 7594
4. 7406

3.

504 cm = ________

1. 5 m 4 cm
2. 5 m 40 cm
3. 50 m 4 cm
4. 50 m 40 cm

4.

What is the mass of the soccer balls?

1. 2 kg 20 g
2. 2 kg 40 g
3. 2 kg 200 g
4. 2 kg 400 g

5.

The volume of water in the container is ________ mℓ.

1. 52 mℓ
2. 55 mℓ
3. 60 mℓ
4. 65 mℓ

6.

What is the total sum of money shown above?

1. $65.85
2. $65.90
3. $66.85
4. $66.90

7.

Siti divided a cake into 8 equal pieces. She gave 2 pieces to her sisters. What fraction of the cake did she give away?

1. ${\displaystyle \frac{1}{5}\mathrm{}}$
2. ${\displaystyle \frac{1}{6}\mathrm{}}$
3. ${\displaystyle \frac{1}{3}\mathrm{}}$
4. ${\displaystyle \frac{1}{4}\mathrm{}}$

8.

Which one of the following is a pair of perpendicular lines?

1. AB and BC
2. BC and BD
3. AD and DE
4. AF and DE

9.

Express 3 hours and 8 minutes in minutes.

1. 38 min
2. 188 min
3. 308 min
4. 380 min

10.

The figure below is made up of 1-cm squares. Find the perimeter of the figure.

1. 36 cm
2. 40 cm
3. 42 cm
4. 92 cm

11.

Rina collected 2735 seashells last year. This year she collected 234 seashells more than last year. How many seashells did she collect this year?

1. 2501
2. 2969
3. 5075
4. 5704

12.

Write 2 kg 5 g in grams.

1. 205 g
2. 2005 g
3. 2050 g
4. 2500 g

13.

John bought a book for $13.95. He gave the cashier 2 ten-dollar notes. How much change did he receive?

1. $6.05
2. $7.05
3. $20.00
4. $33.95

14.

The above graph shows the countries visited by a group of girls during the June holiday.

What is the total number of girls who visited USA and Europe?

1. 300
2. 310
3. 320
4. 330

15.

What is the missing number?

${\displaystyle \frac{6}{8}=\frac{?}{12}\mathrm{}}$

1. 11
2. 10
3. 3
4. 9

16.

The clock below shows the time Halinah left her home. What time did she leave her home?

1. 5 min past 2
2. 25 min past 2
3. 10 min past 5
4. 12 min past 5

17.

Find the difference in area between rectangle A and square B.

1. 6 m²
2. 8 m²
3. 15 m²
4. 40 m²

18.

Jenny has 322 curry puffs. She can pack up to 8 curry puffs into each box. What is the least number of boxes that she has to use to pack all the curry puffs?

1. 41
2. 40
3. 5
4. 4

19.

Lisa took 1 h 25 min to do her Mathematics worksheet and 35 min less to do her Science worksheet. She completed both worksheets at 3.05 p.m. When did she start doing her worksheets?

1. 5.00 p.m.
2. 5.05 p.m.
3. 1.05 p.m.
4. 12.50 p.m.

20.

Find the area of the unshaded part.

1. 7 m²
2. 9 m²
3. 56 m²
4. 63 m²

Section B

Write your answer in the space provided. For questions which requre units, give your answers in the units stated. All diagrams are not drawn to scale. Answers in fractions must be expressed in the simplest form.

1.

Write five thousand, four hundred and twenty in numerals.

Answer: ________

2.

The digit '8' in 9082 is in the ________ place.

Answer: ________

3.

What is the sum of 4009 and 5991?

Answer: ________

4.

Find the product of 309 and 7.

Answer: ________

5.

The above graph shows the people who went to the Great Singapore Sale at the Singapore Expo.

represents 8 persons

How many more babies than senior citizens were at the sale?

Answer: ________

6.

Arrange the fractions below in descending order.

${\displaystyle \frac{7}{12},\frac{5}{9},\frac{2}{3}\mathrm{}}$

Answer: _____, _____, _____

7.

Draw a line that is parallel to line PQ and passing through point R.

8.

The length of the rectangle below is three time its breadth. What is the area of the rectangle?

Answer: ________ cm²

9.

What is the length of the pair of scissors shown below?

Answer: ________ cm

10.

What is the total mass of the pineapple and watermelon?

Answer: ________ g

11.

Jenny has 2 ℓ 52 mℓ of apple juice and she poured half of it into a jug. How much of apple juice was left?

Answer: ________ mℓ

12.

Muthiva had $11.40. She used $5.85 to buy a bowl of chicken rice and a cup of drink. How much money was left?

Answer: $________

13.

The graph below shows the number of pupils who visited the Science Center.

The entrance fee is $5 per child. Find the total amount paid by all the pupils.

Answer: $________

14.

Ali ate ${\displaystyle \frac{1}{6}\mathrm{}}$ of a cake and kept ${\displaystyle \frac{1}{3}\mathrm{}}$ of the cake in the refrigerator. He gave the rest of the cake to his brother. What fraction of the cake did he give to his brother? (Give your answer in the simplest form)

Answer: ________

15.

Which two angles in the figure below are smaller than a right angle?

Answer: Angle ________ and Angle _________

16.

What is the missing number?

5208, 5008, 4608, ____?____, 3208, 2208

Answer: ________

17.

Mr. Tan had 4080 eggs to deliver. After he delivered 1800 to Supermart A and some eggs to Supermart B, he had 390 eggs left. How many eggs did he deliver to Supermart B?

Answer: ________ eggs

18.

Study the set of numbers below:

Find the value of:

Answer: ________

19.

Mangoes were sold at 3 for $8.
Maryanne paid for $56 for some mangoes. How many mangoes did she buy?

Answer: ________

20.

What is the mass of object B as shown below?

Answer: ________ g

Section C

Write your answer with suitable units in the spaces provided. All diagrams are not drawn to scale. Answers in fractions must be expressed in the simplest form.

1.

A ribbon is 5 m long. It is used to tie 4 identical parcels and each parcel needs 35 cm of ribbon. What is the length of ribbon left?








Answer: ________

2.

Tina had a wire that is 3 m long. She cut some of the wire to bend into 3 different squares as shown below.

a) What was the length of wire used to form the figure?








Answer: ________

b) What was the length of wire left?








Answer: ________

3.

A packet of beads was shared equally among 28 girls.
8 girls decided to give up their beads to the rest.
As a result, the rest of the girls received 2 more beads each. How many beads were there in the packet at first?








Answer: ________

4.

148 eggs are packed into either trays of 10 or 6.
20 trays are used altogether. How many trays have only 6 eggs in them?








Answer: ________

5.

Amy has twice the number of stickers as Bernice has. Candy has thrice the number of stickers as Amy has. If Candy has 504 stickers, how many stickers do the 3 girls have altogether?








Answer: ________

6.

a) Find the mass of object A








Answer: ________

b) Find the mass of object B








Answer: ________

Section A (Answers)

Answers

1.

D.

2.

C.

3.

A.

4.

D.

5.

C.

6.

C.

7.

D.

8.

C.

9.

B.

10.

B.

11.

B.

12.

B.

13.

A.

14.

C.

15.

D.

16.

B.

17.

B.

18.

A.

19.

D.

20.

C.

Section B (Answers)

Answers

1.

5420

2.

tens

3.

10000

4.

2163

5.

16

6.

${\displaystyle \frac{2}{3},\frac{7}{12},\frac{5}{9}\mathrm{}}$

7.

8.

27 cm²

9.

24 cm

10.

3400 g

11.

1026 mℓ

12.

$$5.55

13.

$210

14.

${\displaystyle \frac{1}{2}\mathrm{}}$

15.

Angle a and Angle d

16.

4008

17.

1890 eggs

18.

30

19.

21 mangoes

20.

400 g

Section C (Answers)

Answers

1.

360 cm

2.

a) 192 cm

b) 108 cm

3.

140

4.

13

5.

756

6.

a) 140 g

b) 155 g