Sembawang Primary School

  

1.     

3347

 

 
3247 is 100 less than                                   . (2 marks)

Cover the centre number

 

2.      *Jack added 5 to a number. He then multiplied the answer by 6 and the result was 96.

What was the number? (4 marks)

11

 
 


96 ÷ 6 = 16

16 – 5 = 11

 

3.      *James is chasing Kent. For every 6m that James run, Kent runs 4m..

If they are 8m apart, how far must James run in order to catch Kent? (4 mark)

James                     Kent

24 m

 
0 m                       8 m

6 m                     12 m

12 m                   16 m

18 m                   20 m

24 m                   24 m

 

4.                  *A road is thrice as long as a lane. An expressway is twice as long as the road.

The total length of the expressway and the road is 36km 900m.

Find the total length of the road, the lane and the expressway. (4 marks)

 

41000 m or 41 km

 
Draw model.

 

 

5.      *The mass of a glass of water is 550g. Half of the water weighs 250g.

What is the mass of the glass? (4 marks)

50 g

 
250 x 2 = 500g (All the water)

550 – 500 = 50g (The glass ONLY)

 

6.      *There are 7 packets of lollipops. In each packet, there are 8 lollipops.

John repacks all the lollipops into packets of 9.

How many packets of lollipops did he repack into? (4 marks)

6 packets

 
7 x 8 = 56 (Total number of lollipops)

56 ÷ 9 = 6 R2 (6 packets but left 2 lollipops)

 

7.      *Mary puts her dolls into 7 boxes.

After putting 106 dolls into each box, she had 58 dolls left.

How many dolls are there altogether? (4 marks)

800 dolls

 
 


106 x 7 = 742

742 + 58 = 800 (total)

 

8.     

1500

 
700 more than 80 tens is                             . (2 marks)

700 + 800 = 1500

 

9.      *The sum of 2 numbers is 748. The larger number is 24 more than the smaller number.

362

 
Find the smaller number. (4 marks)

Draw model

748 – 24 = 724 (two units)

724 ÷ 2 = 362 (one unit)

 

10. 

829R7

 
What is the answer when 6639 is divided by 8? (2 marks)

Do it carefully

 

11.  *Betty and Chloe had the same amount of money.

When Betty spent $874, she had $1478 left.

$1675

 
How much money would Chloe have left if she spent $677? (4 marks)

 

$874 + $ 1478 = $2352 (Betty)

$2352 - $677 = $1675 (left)

 

12.  *At a Carnival, Donald sold 28 more cakes then Eddy. Fifi sold 12 fewer cakes than Eddy.

They sold 400 cakes together. How many cakes did Eddy sell? (4 marks)

128 cakes

 
 


Draw model

400 – 28 – 12 -12 = 348 (3 units)

348 ÷ 3 = 128 (1 unit)

 

13.  *In a class of 42 pupils, there are 16 more boys than girls.

How many girls are there in the class? (4 marks)

13 girls

 
 


Draw model

42 – 16 = 26 (2 units)

26 ÷ 2 = 13 (1 unit)

 

14.  *Ben used 4m 17cm of string to tie a parcel and 3m 3cm to tie a box.

How much string did he use altogether? (4 marks)

 

7m 20cm

 
417cm + 303cm = 720cm

 

 

15.  *Box A has a mass of 4kg 78g. Box B has a mass 2kg 34g less than Box A.

What is the total mass of the two boxes? (4 marks)

6kg 122g

 
 


4078g – 2034g = 2044g (Box B)

2044g + 4078g = 6122g (Total)

 

16.  *The total mass of 4 similar packets of sugar and a packet of flour is 9kg.

Find the mass of 1 packet of sugar if one packet of flour weighs 2kg 600g. (4 marks)

 

1kg 600g

 
9000g – 2600g = 6400g (4 packets of sugar)

6400g ÷ 4 = 1600g (1 packet of sugar)

 

17.  *Claris left her house at 11.40 a.m. She took 1 hour and 30 minutes to reach school.

1:10pm

 
What time did she reach school? (4 marks)

 

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