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Published by Publications, 2021-10-28 12:30:08

Pre-KBSM Matematik

Pre-KBSM Matematik

Kandungan

Pra-KSSM Matematik

Bab 1 Nombor Nisbah/ Rational Numbers/ 有理数

Nota Bestari

Praktis Formatif

1.1 Integer
Integers
2
整数。 。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。

1.2 Operasi Asas Aritmetik yang Melibatkan Integer
Basic Arithmetic Operations Involving Integers
3
涉及整数的基本算术运算。。。。。。。。。。。。。。。。。。。。。。

1.3 Pecahan Positif dan Pecahan Negatif
Positive and Negative Fractions
正分数和负分数。 。。。。。。。。。。。。。。。。。。。。。。。。。。 6

1.4 Perpuluhan Positif dan Perpuluhan Negatif
Positive and Negative Decimals
正小数和负小数。 。。。。。。。。。。。。。。。。。。。。。。。。。。 7

1.5 Nombor Nisbah
Rational Numbers
有理数。 。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。 9

Bab 2 Faktor dan Gandaan/ Factors and Multiples/ 因数和倍数

Nota Bestari

Praktis Formatif

2.1 Faktor, Faktor Perdana dan Faktor Sepunya Terbesar (FSTB)
Factors, Prime Factors and Highest Common Factor (HCF)
因数、质因数和最大公因数。 。。。。。。。。。。。。。。。。。。。。 11

2.2 Gandaan, Gandaan Sepunya dan Gandaan Sepunya Terkecil (GSTK)
Multiples, Common Multiples and Lowest Common Multiple (LCM)
倍数、公倍数和最小公倍数。 。。。。。。。。。。。。。。。。。。。。 15

Jawapan

Tarikh:

Bab 1 Nombor Nisbah
Rational Numbers 有理数

Nota Bestari Video Tutorial

Nombor Nisbah/ Rational Numbers/ 有理数

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0.

Integer/ Integers/ 整数 Pecahan/ Fractions/ 分数
• Integer positif/ Positive integers/ 正整数 • Pecahan positif/ Positive fraction/ 正分数
1, 2, 3, 4, 5,… 1 5 1 34
• Sifar/ Zero/ 零, 0 Contoh/ Example: 2 , 3 ,
• Integer negatif/ Negative integers/ 负整数
…,–4, –3, –2, –1 • Pecahan negatif/ Negative fraction/ 负分数
Contoh/ Example: – 31 , – 94 , –3 45

Perpuluhan/ Decimals/ 小数
• Perpuluhan positif/ Positive decimals / 正小数
Contoh/ Example: 0.3, 0.43, 1.9
• Perpuluhan negatif/ Negative decimals / 负小数
Contoh/ Example: –0.4, –0.95, –3.72

Operasi asas aritmetik yang melibatkan integer/ Basic arithmetic operations
involving integers/ 涉及整数的基本算术运算

Penambahan integer Penolakan integer Pendaraban integer Pembahagian integer
Addition of integers Subtraction of integers Multiplication of integers Division of integers
整数的加法 整数的减法 整数的乘法 整((((acdb))))数((((–++–的xxxx))))除÷÷÷÷法(((+(–+–yyyy))))====+––+((((yxyyxxyx))))
(a) (+x) + (+y) = +(x + y) (a) (+x) – y = x – y (a) (+x) × (+y) = +(xy)
(b) (–x) + (–y) = –(x + y) (b) (+x) – (–y) = x + y (b) (+x) × (–y) = –(xy)
(c) ( –x) – (+y) = –x – y (c) (–x) × (+y) = –(xy)
= –(x + y) (d) (–x) × (–y) = +(xy)
(d) (–x) – (–y) = –x + y

Gabungan operasi/ Combined operations/ 混合运算

1 Selesaikan pengiraan dalam tanda kurung dahulu.
Solve the computation in the bracket first.
先计算括号中的算式。
2 Kemudian, darab atau bahagi dari kiri ke kanan.
Then, multiplication or division from left to right.
然后,从左到右进行乘法或除法。
3 Akhirnya, tambah atau tolak dari kiri ke kanan.
Lastly, addition or subtraction from left to right.
最后,从左到右进行加法或减法。
( ) → × atau/ or ÷ → + atau/ or –

1 Pra-KSSM Matematik

Bab 1 Nombor Nisbah/ Rational Numbers Tarikh:

Praktis Formatif

1.1 Integer / Integers

1 Tulis satu nombor positif atau satu nombor negatif untuk mewakili setiap situasi berikut.
Write a positive number or a negative number to represent each of the following situations.

Contoh –2.5 (a) Harga minyak masak naik sebanyak

Jisim badan Aina berkurang sebanyak RM3.60.
2.5 kg. The price of cooking oil increases by
The body mass of Aina decreases by 2.5 kg. RM3.60.

(b) 196 m di bawah aras laut. (c) Mendaki bukit setinggi 231 m.
196 m below the sea level. Climb up a hill of height 231 m.

2 Bulatkan semua integer daripada senarai yang berikut.
Circle all the integers from the following list.

–5 2 16 0 –2.5
7 –0.96

–31 27 1.26 3
8

3 Lengkapkan garis nombor di bawah dengan menulis integer yang betul dalam kotak yang
diberi.

Complete the number lines below by writing the correct integers in the given boxes.

Contoh

–12 –8 –4 0 4 8 12
0 6
(a) –2
–6 39

(b) –5
–20

(c) –6
–15

Pra-KSSM Matematik 2

Bab 1 Nombor Nisbah/ Rational Numbers

Tarikh:
4 Isikan kotak dengan simbol “>” atau “<” supaya pernyataan berikut adalah benar.
Fill in the boxes with symbol “>” or “<” so that the following statements are true.

Contoh

–8 < –1 0 > –4 (a) –3 –1 (b) 4 2

Tips Bestari (c) –9 0 (d) –2 –5

“<” kurang daripada/ less than
“>” lebih daripada/ more than

5 Banding dan susun kumpulan integer yang berikut dalam tertib menaik atau tertib menurun.
Compare and arrange the following groups of integers in ascending order or descending order.

Contoh

1 8, –3, –2, 0, 5 2 –7, 0, –9, 5, 8

Tertib menaik: –3, –2, 0, 5, 8 Tertib menurun: 8, 5, 0, –7, –9
Ascending order: Descending order:

(a) 9, 15, 8, –6, –11 (b) 9, –4, –13, –8, –9
Tertib menaik: Tertib menurun:
Ascending order: Descending order:

(c) 7, –13, –15, –9, 8 (d) –11, –10, 8, 12, 0
Tertib menaik: Tertib menurun:
Ascending order: Descending order:

1.2 Operasi Asas Aritmetik yang Melibatkan Integer / Basic Arithmetic Operations Involving Integers

1 Hitung setiap yang berikut.
Calculate each of the following.

Contoh

15 + (–8) + (–12) Tips Bestari (a) +19 + (+8) =
= 15 – 8 – 12
=–5 Penambahan integer:
Addition of integers:
x + (+y) = x + y
–x + (–y) = –(x + y)

(b) –16 + (–9) + (18) = (c) 17 + (+5) + (–14) =

3 Pra-KSSM Matematik

Bab 1 Nombor Nisbah/ Rational Numbers

Tarikh:

2 Hitung setiap yang berikut./ Calculate each of the following.

Contoh Tips Bestari (a) –16 – (–21) =

–32 – (+13) – (–11) Penolakan integer:
= –32 – 13 + 11 Subtraction of integers:
= –34 (+x) – y = x – y
(+x) – (–y) = x + y
(–x) – (+y) = –x – y
(–x) – (–y) = –x + y

(b) –25 – (+13) = (c) –23 – (–11) – (–17) =

3 Hitung setiap yang berikut./ Calculate each of the following.

Contoh Tips Bestari (a) 27 × (–13) =

–9 × (–8) × (+12) Pendaraban integer:
= 72 × 12 Multiplication of integers:
= 864 (+x) × y = +(xy)
(+x) × (–y) = –(xy)
(–) × (–) = (+) (–x) × (+y) = –(xy)
(–x) × (–y) = +(xy)

(b) –35 × (–16) = (c) –19 × (–8) × (–23) =

4 Hitung setiap yang berikut./ Calculate each of the following.

Contoh Tips Bestari (a) –306 ÷ (–9) =

–784 ÷ 8 ÷ (–7) Pembahagian integer:
= –98 ÷ (–7)
= 14 Division of integers:

(–) ÷ (+) = (–) (+x) ÷ (+y) = +( x )
y
x
(+x) ÷ (–y) = –( y )

(–x) ÷ (+y) = –( x )
y
x
(–x) ÷ (–y) = +( y )

(b) –442 ÷ 17 = (c) 1 092 ÷ (–14) ÷ (–6) =

Pra-KSSM Matematik 4

Bab 1 Nombor Nisbah/ Rational Numbers

Tarikh:

5 Hitung setiap yang berikut./ Calculate each of the following.

Contoh Tips Bestari (a) –58 – (+19) + (–13) =

–18 – [35 + (–12)] × 7 Lakukan operasi dalam
= –18 – 23 × 7 kurungan dahulu, diikuti
= –18 – 161 ×, ÷, dan kemudian +, –.
= –179 Perform the operation in
a bracket first followed by
× , ÷, and then +, –.

(b) 26 × (–9) ÷ (–13) = (c) 95 + 9[8 + (–26)] =

6 Selesaikan masalah berikut./ Solve the following problems.

(a) Azma mempunyai tiga pelaburan, P, Q dan R. (b) Paras awal air bagi sebuah empangan ialah

Dia mengalami kerugian sebanyak RM5 040 85 m. Paras air itu berkurangan sebanyak

dalam pelaburan P, memperoleh keuntungan 2 m setiap hari selama seminggu. Pada

sebanyak RM6 125 dalam pelaburan Q dan akhir minggu tersebut, paras air meningkat

memperoleh keuntungan dua kali ganda sebanyak 5 m disebabkan oleh hujan lebat.

keuntungan Q dalam pelaburan R. Hitung Hitung paras air pada akhir minggu

jumlah keuntungannya, dalam RM. tersebut.

Azma has three investments, P, Q and R. She The initial water level of a reservoir was 85 m.

lost RM5 040 in investment P, made a profit of Its water level decreases by 2 m every day for one

RM6 125 in investment Q and made a profit of week. At the end of the week, the water level rises

two times of profit Q in investment R. Calculate by 5 m due to a heavy rain. Calculate the water

her total profit, in RM. level at the end of the week.

5 Pra-KSSM Matematik

Bab 1 Nombor Nisbah/ Rational Numbers

Tarikh:

1.3 Pecahan Positif dan Pecahan Negatif / Positive and Negative Fractions

1 Bagi setiap kumpulan pecahan yang berikut,
For each of the following groups of fractions,

(i) wakilkan pada garis nombor, (ii) banding dan susun dalam tertib menurun.

represent them on a number line, compare and arrange them in descending order.

Contoh

– 1 , 1 , 3 , – 5 Tips Bestari
2 4 8 8
Untuk membandingkan pecahan dengan penyebut yang berbeza, cari GSTK bagi penyebut-penyebut itu.
To compare the fractions with different denominators, find the LCM of the denominators.

(i) (ii) 3 , 1 , – 1 , – 5
84 2 8
– 5 – 1 0 13
8 2 48

(a) 1 , – 1 , 1 , – 1
4 2 12 6

(b) – 1 , 2 , – 3 , 1
10 5 10 2

2 Hitung nilai bagi setiap yang berikut dan ungkapkan jawapan sebagai pecahan dalam sebutan

terendah.
Calculate the value for each of the following and express the answer as a fraction in its lowest term.

Contoh ( )(a) 2 5 9
5 8 10
( )–3 3 × 1 2 ÷ –3 1 Tukarkan nombor bercampur + – – =
8 9 7 kepada pecahan tak wajar
Change mixed numbers into
( )= 27 11 7
8 9 22 Improper fractions

– × × –

= 1 5 Tukar pembahagian kepada pendaraban
16 dengan salingan pecahan itu
Change division to multiplication by reciprocal

( ) ( )(b) 25 ÷ –3 3 ÷ –1 2 = ( )(c) –22÷1 5 × 9 =
6 4 5 3 8 10

Pra-KSSM Matematik 6

Bab 1 Nombor Nisbah/ Rational Numbers Tarikh:

3 Selesaikan masalah berikut.
Solve the following problems.

(a) Hezrina mempunyai RM280. Jasmin (b) Kebun P menghasilkan x biji labu. Kebun Q
2 7
memberikan 5 daripada wangnya kepada menghasilkan 8 daripada bilangan labu

Hezrina. Kemudian, Hezrina memberikan yang dikeluarkan oleh kebun P. Kebun R
3
5 daripada wangnya kepada Susan. Jika menghasilkan 5 daripada bilangan labu
8
Susan menerima RM300 daripada Hezrina, yang dikeluarkan oleh kebun Q. Jika jumlah
bilangan labu yang dihasilkan oleh ketiga-
hitung jumlah wang asal Jasmin.
2 tiga kebun tersebut ialah 5 280 biji, hitung
Hezrina had RM280. Jasmin gave 5 of her money
nilai x.
5
to Hezrina. Then, Hezrina gave 8 of her money Farm P produces x pumpkins. Farm Q produces
87
to Susan. If Susan received RM300 from Hezrina, P. of the number of pumpkins produced by farm
Farm R produces
calculate the original amount of money that 3 of the number of pumpkins
5
Jasmin had. produced by farm Q. If the total number of

pumpkins produced by the three farms is 5 280,

calculate the value of x.

1.4 Perpuluhan Positif dan Perpuluhan Negatif / Positive and Negative Decimals

1 Untuk setiap kumpulan perpuluhan yang berikut,
For each of the following groups of decimals,

(i) wakilkan pada garis nombor, (ii) banding dan susun dalam tertib menaik.

represent them on a number line, compare and arrange them in ascending order.

(a) –0.9, 0.6, –0.3, –1.2, 0.3

(b) –2.4, –0.8, 1.6, –3.2, 2.4

7 Pra-KSSM Matematik

Bab 1 Nombor Nisbah/ Rational Numbers

2 Cari nilai bagi setiap yang berikut. Tarikh:
Find the value for each of the following.
Tips Bestari
Contoh
Bilangan tempat perpuluhan bagi hasil darab dua perpuluhan adalah sama
15.92 – 7.9 × (–8.4) Lakukan operasi ‘×’ dengan jumlah bilangan tempat perpuluhan bagi dua perpuluhan tersebut.
= 15.92 + 66.36 dahulu The number of decimal places for the product of multiplying two decimals is
= 82.28 Perform ‘×’ operation the same as the total number of decimal places for two decimals.

first

(a) 19.2 + (–25.68) – 8.59 = (b) –13.4 × 6.45 – (–45.16) =

(c) 42.6 – 9.2 × (–8.7) = (d) –106.8 ÷ 8 – (–25.76) =

3 Selesaikan masalah berikut.
Solve the following problems.

(a) John membeli 2 utas tali pinggang pada (b) Rajah menunjukkan sebatang sungai lurus

harga RM28.55 setiap satu dan 5 helai dan kedudukan tiga buah bot.
kemeja-T yang sama harga. Dia membayar The diagram shows a straight river and the
positions of three boats.
RM250 dan menerima baki RM5.65. Hitung
P QR
harga sehelai kemeja-T yang dibeli olehnya.

John bought 2 belts at the price of RM28.55 each

and 5 T-shirts of the same price. He paid RM250

and received a change of RM5.65. Calculate the O
Bot Q berada 53.9 m di sebelah kiri O
price of a T-shirt bought by him.
manakala bot R berada 81.4 m di sebelah

kanan O. Jarak di antara bot P dan titik O

ialah 4 kali jarak di antara bot Q dan bot R.

Hitung jarak, dalam m, di antara bot P dan

bot R.

Boat Q is 53.9 m to the left of O whereas boat R is

81.4 m to the right of O. The distance between the

boat P and point O is 4 times the distance between

boat Q and boat R. Calculate the distance, in m,

between boat P and boat R.

Pra-KSSM Matematik 8

Bab 1 Nombor Nisbah/ Rational Numbers Tarikh:

1.5 Nombor Nisbah / Rational Numbers

1 Tentukan sama ada nombor-nombor berikut adalah nombor nisbah atau bukan.
Determine whether the following numbers are rational numbers or not.

Contoh

24 (a) –5 (b) 0.6
1
–24 = – Ya/ Yes

Tips Bestari

Nombor npqisbbaaghi ialah nombor yang boleh ditulis dalam bentuk (c) 9.01345 (d) 36
pecahan, dua integer, p dan q, dengan keadaan q ≠ 0.

fRoartmio,npqalonfutmwobeinrtiesgaernsu, mp abnerd that can be written in the fraction
q, such that q ≠ 0.

2 Cari nilai bagi setiap yang berikut./ Find the value for each of the following.

Contoh 5
6
( ) ( )7.13 + 72 ÷ – 8 – 9 (a) –123 + 84 ÷ =
9 = 7.13 + 72 × 8

= 7.13 – 81

= –73.87

( )(b) 7– 2 2 × 8 = (c) –100 – (–80) – 60 =
8 5 15 –100 – 80 – (–60)

3 Selesaikan masalah berikut./ Solve the following problems.

(a) Suhu awal suatu campuran X ialah –15°C. (b) Azman menerima wang saku bulanan
Suhunya menurun dengan 1.6°C setiap
30 saat. Hitung masa yang diambil, dalam sebanyak RMx. Basir menerima RM16

minit, bagi suhu campuran X itu mencapai kurang daripada Azman. David menerima
–56.6°C.
The initial temperature of mixture X is –15°C. dua kali ganda wang saku bulanan Basir.

Its temperature decreases by 1.6°C for every 30 Jika purata wang yang diterima oleh
seconds. Calculate the time taken, in minutes, for
the temperature of mixture to reach –56.6°C. seorang murid ialah RM136, hitung nilai x.
Azman received a monthly pocket money of RMx.
Basir received RM16 less than Azman. David
received twice the amount of Basir. If the average
pocket money received by a student is RM136,
calculate the value of x.

9 Pra-KSSM Matematik

Tarikh:

Bab 2 Faktor dan Gandaan
Factors and Multiples 因数和倍数

Nota Bestari Video Tutorial

Faktor dan Gandaan/ Factors and Multiple/ 因数和倍数

Faktor/ Factors/ 因数 Gandaan/ Multiples/ 倍数
x ialah faktor bagi nombor bulat y jika y Gandaan ialah suatu nombor yang diperoleh
dibahagi tepat oleh x. dengan mendarabkan suatu nombor dengan
x is a factor of the whole number y if y is exactly suatu integer positif.
divisible by x. A multiple is a number obtained by multiplying a
如果 y 可被 x 整除,x 是整数 y 的因数 number with a positive integer.
Contoh/ Example: 倍数是一个数乘以一个正整数所得到的数。
Faktor bagi 12/ Factors of 12/ 12 的因数: Contoh/ Example:
1, 2, 3, 4, 6, 12 Gandaan bagi 8/ Multiples of 8/ 8 的倍数:
8, 16, 24, 32, 40, …
Faktor Perdana/ Prime Factors/ 质因数
Faktor bagi suatu nombor yang merupakan Gandaan Sepunya/
nombor perdana. Common Multiples/ 公倍数
Factors of a number which are also prime Contoh/ Example:
numbers. 24, 48, 72, 96, 120, ...boleh dibahagi tepat
一个数的因数也是一个质数。 dengan 6 dan 8. Jadi, nombor 24, 48, 72, 96,
Contoh/ Example: 120, ... disebut sebagai gandaan sepunya
Faktor perdana bagi 12/ Prime factors of 12/ bagi 6 dan 8.
12 的质因数: 2, 3 24, 48, 72, 96, 120, ... can be divided completely
by 6 and 8. Therefore, the numbers 24, 48, 72,
Faktor Sepunya/ Common Factors/ 公因数 96, 120, ... is known as a common multiples of 6
Contoh/ Example: and 8.
18 dan 24 boleh dibahagi tepat dengan 1, 2, 24, 48, 72, 96, 120, ... 可以被 6 和 8 整除,
3 dan 6. Jadi, 1, 2, 3 dan 6 disebut sebagai 所以 24, 48, 72, 96, 120, ... 被称为 6 和 8 的
faktor sepunya bagi 18 dan 24. 公倍数。
Both 18 and 24 can be divided completely by 1,
2, 3 and 6. Therefore, 1, 2, 3 and 6 are known as Gandaan Sepunya Terkecil (GSTK)/
common factors of 18 and 24. Lowest Common Multiple (LCM)/ 最小公倍数
18 和 24 都可以被 1、2、3 和 6 整除。因此, Nombor terkecil bagi gandaan sepunya
1、2、3 和 6 被称为 18 和 24 的公因数。 tersebut.
The smallest number of the common multiples.
Faktor Sepunya Terbesar (FSTB)/ 最小的公倍数
Highest Common Factor (HCF)/ 最大公因数 Contoh/ Example:
FSTB bagi dua atau lebih nombor ialah Gandaan sepunya terkecil bagi 6 dan 8/
factor sepunya yang paling besar bagi Lowest common multiple of 6 and 8/
semua nombor itu./ HCF of two or more 6 和 8 的最小公倍数: 24
numbers is the highest common factor of the
numbers./ 最大公因数是两个或多个数的最大
的公因数
Contoh/ Example:
Faktor sepunya terbesar bagi 18 dan 24/
Highest common factor of 18 and 24/
18 和 24 的最大公因数: 6

Pra-KSSM Matematik 10

Jawapan

Bab 1 Nombor Nisbah/ Rational Numbers/ 有理数 = –67
6 (a) Keuntungan/ Profit:
1.1 (m/s 2-3)
= –5 040 + 6 125 + 2(6 125)
1 (a) +3.60 (b) –196 (c) +231 = –5 040 + 6 125 + 12 250
= RM13 335
2 –5, 16, 0, –31, 27 (b) Paras air/ Water level:
= 85 + 7(–2) + 5
3 (a) –4, 0, 2, 4 (b) –15, –10, 5, 10 = 85 – 14 + 5
= 76 m
(c) 3, 12, 21, 30
1.3 (m/s 6-7)
4 (a) < (b) > (c) < (d) >

5 (a) –11, –6, 8, 9, 15 (b) 9, –4, –8, –9, –13

(c) –15, –13, –9, 7, 8 (d) 12, 8, 0, –10, –11

1.2 (m/s 3-5) 1 (a) (i)

1 (a) +19 + (+8) -  1 -  1 01 1
= 19 + 8 2 6 12 4
= 27
(ii) 41 , 1 , –  1 , –  1
(b) –16 + (–9) + (18) 12 6 2
= –16 – 9 + 18
= –7 (b) (i)

(c) 17 + (+5) + (–14) - 130 - 110 0 21
= 17 + 5 – 14 52
=8
(ii) 21 , 2 , – 110 , – 130
2 (a) –16 – (–21) 5
= –16 + 21
=5 ( ) 2 (a) 52+ –  5 – 9
8 10
(b) –25 – (+13)
= –25 – 13 = 16 – 25 – 36
= –38 40 40 40
= – 4450
(c) –23 – (–11) – (–17) 1
= –23 + 11 + 17 = -1  8
=5
( ) ( ) (b) 2 5÷– 3  3 ÷ – 1  2
3 (a) 27 × (–13) 6 4 5
= –351 ( ) ( )=
17 ÷ – 145 ÷ –  7
(b) –35 × (–16) 6 5
= 560 ( ) ( )=17 – 145 5
6 × × –  7
(c) –19 × (–8) × (–23)
= 152 × (–23) = 34
= –3 496 63

4 (a) –306 ÷ (–9) ( ) (c) –  2 2÷ 1  5 × – 190
= 34 3 8
( )= – 83 8 – 190
(b) –442 ÷ 17 × 13 ×
= –26
= 1 6351
(c) 1 092 ÷ (–14) ÷ (–6)
= –78 ÷ (–6) 3 (a) x = Jumlah wang asal Jasmin
= 13
Total original amount of Jasmin’s money
5 (a) –58 – (+19) + (–13)
= –58 – 19 – 13 ( ) 2 5
= –90 280 + 5 x × 8 = 300

(b) 26 × (–9) ÷ (–13) 280 + 2 x = 480
= –234 ÷ (–13) 5
= 18
2 x = 200
(c) 95 + 9[8 + (–26)] 5
= 95 + 9(–18) 5
= 95 – 162 x = 200 × 2

Jawapan = 500
1 Pra-KSSM Matematik

∴ J umlah wang asal Jasmin = RM500 2 (a) –123 + 84 ÷ 5
Total original amount of Jasmin’s money = RM500 6
6
(b) Katakan x ialah bilangan labu kebun P = –123 + 84 × 5

Let x be the number of pumpkins of farm P = –123 + 100.8

( )
x + 87 x + 7 x× 3 = 5 280 = –22.2
8 5
( ) (b) 87 2 8
x+ 7 x+ 21 x = 5 280 - 2  5 × 15
8 40
( )= 7 12 8
12 x = 5 280 8 - 5 × 15
5
5 ( )=
x = 5 280 × 12 35 - 96 × 8
40 40 15

= 2 200 = – 61 × 8
40 15

1.4 (m/s 7-8) = – 61
1 (a) (i) 75

–1.2 –0.9 –0.3 0.3 0.6 (c) --110000 - (-80) - 60
(ii) –1.2, –0.9, –0.3, 0.3, 0.6 - 80 - (-60)

= -100 + 80 - 60
-100 - 80 + 60
(b) (i)
= -80
–3.2 –2.4 –0.8 1.6 2.4 -120

(ii) –3.2, –2.4, –0.8, 1.6, 2.4 = 2
2 (a) 19.2 + (–25.68) – 8.59 3

= 19.2 – 25.68 – 8.59 3 (a) Perubahan suhu/ Change in temperature
= –15.07
= 56.6 – 15
(b) –13.4 × 6.45 – (–45.16)
= –86.43 + 45.16 = 41.6°C
= –41.27
1.6°C ↔ 30 s 30
(c) 42.6 – 9.2 × (–8.7) 41.6 ×
= 42.6 + 80.04 41.6°C ↔ 1.6
= 122.64
= 780 s
(d) –106.8 ÷ 8 – (–25.76)
= –13.35 + 25.76 = 13 minit/ minutes
= 12.41
(b) Wang saku Azman/ Azman’s pocket money = x
3 (a) x = Harga sehelai kemeja-T
The price of a T-shirt Wang saku Basir/ Basir’s pocket money

(2 × 28.55) + 5x = 250 – 5.65 = x – 16
57.10 + 5x = 244.35
5x = 187.25 Wang saku David/ David’s pocket money
x = 37.45
= 2(x – 16)
∴ Harga sehelai kemeja-T ialah RM37.45. x + x – 16 + 2(x – 16)
The price of a T-shirt is RM37.45. 136 = 3

408 = 4x – 48

4x = 456

x = 114

(b) Jarak bot P ke O/ Distance between boat P to O Bab 2 Faktor dan Gandaan/ Factors and Multiples/
= 4(53.9 + 81.4)
= 541.2 m 因数和倍数
Jarak bot P ke bot R/ Distance between boat P to R
= 541.2 + OR 2.1 (m/s 11-14)
= 541.2 + 81.4
= 622.6 m 1 (a) 1 (b) 2 6
3 1
75

75 3 42 42
25 15
1.5 (m/s 9) 5 21 14
7

1 (a) – 5 = –  5 , Ya/ Yes (c) 12 1 2
1
3 18 36 3
(b) 0.6 = 5 , Ya/ Yes 64

(c) Bukan/ No 36 9

(d) 36 = 36 , Ya/ Yes
1

Pra-KSSM Matematik Jawapan 2


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