form 1

1. Chapter 4: Decimals
Objective Questions
1 Which of the following is the fraction of 0.625?
A 45 C 13
20
B 58 D 16
25
2 Express 7 as a decimal correct to 3 decimal places.
11
A 0.636 C 0.712
B 0.637 D 0.713
3 The following represent 0.24 except
A 6 C 24
25 100
B 15 D 30
50 125
4 Arrange the following decimals in descending order.
3.062, 3.602, 3.62, 3.026
A 3.026, 3.062, 3.602, 3.62 C 3.62, 3.062, 3.026, 3.602
B 3.602, 3.062, 3.026, 3.62 D 3.62, 3.602, 3.062, 3.026
5 Which of the following has the largest value?
A 0.9 C 9
11
B 0.89 D 19
20
6 Which decimal gives the value of 7.15 when rounded off to 2 decimal places?
A 7.143 C 7.145
B 7.1449 D 7.155
7 2 tens, 0 units, 1 tenths and 5 thousandths is
A 2.15 C 20.105
B 2.105 D 20.15
8 The place value of the digit 5 in the decimal 23.459 is
A units C hundredths
B tenths D thousandths
9 Diagram 1 is a number line.
➤ | | | | | |➤
2.2 p 2.5 2.65 q
Diagram 1
Find the value of p + q.
A 4.90 C 5.10
B 4.95 D 5.30
 Arah Pendidikan Sdn Bhd 1 Mathematics Form 1

2. 10 Round off 56.831 correct to one decimal place.
A 57 C 56.83
B 56.8 D 56.9
11 Lim bought 4.81 kg of fish, 2.55 kg of chicken and 0.975 kg of beef. What is the total
mass, in kg, of these three items?
A 7.111 C 8.335
B 7.335 D 9.111
12 A bottle contains 3.8l of mineral water. If Aishah drank 2.96l of the water, what is the
volume of water left?
A 0.12l C 0.9l
B 0.84l D 2.96l
13 Given that 2.107 + y = 4.082, find the value of y.
A 1.975 C 2.105
B 2.005 D 2.975
14 The mass of a story book is 0.98 kg. What is the total mass of 12 similar story books?
A 10.76 kg C 11.76 kg
B 10.96 kg D 11.96 kg
15 Puan Ainum bought 12 m of cloth. If each meter costs RM3.45, how much money does
she have to pay?
A RM39.40 C RM40.90
B RM40.40 D RM41.40
16 A container contains 14.67l of water. If Salleh poured the water equally into 18 bottles,
what is the volume of water in each bottle?
A 0.815l C 254.06l
B 0.845l D 264.06l
17 Muthu is able to run 5 km in half an hour. Find the distance covered in 11 hours.
2
A 10 km C 20 km
B 15 km D 25 km
18 Adnan bought 5 pens and 8 exercise books. How much must he pay if a pen and an
exercise book cost RM0.90 and RM1.15 respectively?
A RM2.05 C RM13.70
B RM5.65 D RM15.65
19 The length of a rope is 25.9 metres. If 6 of the rope was used up, what is the length
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of the remaining rope?
A 3.6 m C 3.8 m
B 3.7 m D 3.9 m
20 Mariam spent RM19.65, RM32.10 and RM46.35 on three different items. How much
change would she get back if two RM50 notes were used to pay for the goods?
A RM1.90 C RM91.20
B RM2.90 D RM98.10
 Arah Pendidikan Sdn Bhd 2 Mathematics Form 1

3. Subjective Questions
1 State the place value and digit value of the underlined digit.
(a) 12.789 (b) 8.501
2 Round off each of the following to: (i) one decimal place
(ii) two decimal places
(a) 8.716
(b) 16.054
3 0.07 + 5 × 1.213 =
4 3.087 – 12.65 ÷ 5 =
5 10(3.6 – 0.25) =
( )
6 Calculate the value of 0.8 + 3 – 2 and express the answer as a decimal.
4 5
7 Aminah buys 20 pencils which cost RM29.80. How much does each pencil cost?
8 (a) Express 11 as a decimal.
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(b) Calculate the value of 4.32 × 0.8 + 1 and express the answer correct to three decimal
3
places.
9 Chandra bought 200 eggs costing RM0.23 each. He sold all the eggs at 28 sen each.
Find his profit.
10 If the total mass of 35 bags of sugar is 859.6 kg, find the mass of each bag of sugar.
 Arah Pendidikan Sdn Bhd 3 Mathematics Form 1