Page 19 - PWR UP TG1 MATHS

Matematik Tingkatan 1 Bab 1
18. Hitung setiap yang berikut. SP 1.3.3 TP3
Calculate each of the following.

2
3
1

(a) 3  24 ÷ 4 (b) –3 + –7 1 2 × 3
– –
5
4
1

2 × –1 + 3 2 4 1 2 5 4 5 = –3 + – 3 22 × 3 2
3
4
8

5
3
5
5

= 2 × – + 3 2 =   4 5 + 5 2 ÷ ÷ 4 = –3 + – 11 2 4
3
8
4

8
2
+
=
5
20

= 2 × – 10 + 3 2 13 5 20 1 5 = – 18 – 11 2
8
8
5
2
 2
1
= 2 × – 7 = 20 4 × 4 = – 36 – 55
8
13
= –1 3 4 = 16 10 10
4 = – 91
10
Tip Penting 1
= –9
a
c
a ÷ = × d 10
b d b c
1 3 2 3 1 2 5 1 8 1
 2  2
(c) –8 ÷ 2 + (d) 1 – 2 + ÷ 3 (e) 2 – – ÷ – +
6 4 11 5 3 5 8 5 5 4
49 11 2 3 1 2 5 1 8 1
 2  2
= – ÷ + = 1 – 2 + ÷ 3 = 2 – – ÷ – +
6 4 11 5 3 5 8 5 5 4
49 4 2 2 3 1 2 1 1
5

= – × + = 1 – 2 + × = 2 – – 1 × – 5 2 + 1
3 6 11 11 5 3 5 3 8 1 5 8 4
7
8
= – 98 + 2 = – + 2 21 1 1
33 11 5 3 15 = 8 – + 4
8
98 6 24 35 2
= – + = – + 20 1
33 33 15 15 15 = 8 + 4
= – 92 = – 9 3 22
33 5 15 = 8
= –2 26 = – 3 3
33 5 = 2
4

19. Selesaikan masalah berikut. SP 1.3.4
Solve the following problems.
(a) Afiqah dan Sarah berkongsi sejumlah wang untuk didermakan kepada sebuah badan kebajikan. Afiqah
3
menderma manakala Sarah menderma 4 daripada wang tersebut. Siapakah yang menderma lebih
5 10
banyak? Berapakah lebihnya? TP4
3 4
Afiqah and Sarah share an amount of money to be donated to a charity organisation. Afiqah donates whereas Sarah donates
5 10
of the money. Who donates more? How much more?
Afiqah menderma / Afiqah donates Beza / Difference
3 × 2 = 6 = 6 – 4 Tip Penting
5 × 2 10 10 10 Bandingkan pecahan dengan
2
6 lebih besar daripada 4 . = 10 menyamakan penyebutnya dahulu.
Compare the fractions by equating the
10 10 1 denominator first.
6 is greater than 4 . =
10 10 5
1
Maka, Afiqah menderma daripada wang tersebut lebih daripada Sarah.
1 5
Hence, Afiqah donates of the money more than Sarah.
5
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