Page 64 - Hybrid PBD 2021 Form 1 - Matematik

Matematik Tingkatan 1 Bab 3

3.2 Kuasa Tiga dan Punca Kuasa Tiga Nota Buku Teks
PBD Cubes and Cube Roots Visual ms. 58 – 69
PBD
PBD
16. Isi tempat kosong bagi setiap kubus unit yang berikut. SP 3.2.1 TP1 i-Think Peta Titi
i-Think
i-Think
Fill in the blanks for each of the following unit cubes.

Kubus unit
Unit cubes as as as
Faktor penghubung 3 3 3 3
Relating factor 1 2 3 5

17. Hitung kuasa tiga setiap nombor berikut. SP 3.2.1 TP2
Calculate the cube of each of the following numbers.
Nombor Kuasa tiga nombor
Number Cube of the number
(a) a × a × a a 3 Tip Penting

(a) 7 7 × 7 × 7 7 3 • Kuasa tiga bagi suatu
nombor positif adalah
(b) –0.3 (–0.3) × (–0.3) × (–0.3) (–0.3) 3 positif.
The cube of a positive number is
1 1 1 1 1 3 positive.
2
(c) 2 2 × 2 × 2  
4 4 4 4 4 • Kuasa tiga bagi suatu
nombor negatif adalah
1
1
1
1
(d) – 1         3 negatif.
–
– × – × –
5 5 5 5 5 The cube of a negative number is
negative.
(e) 4.6 4.6 × 4.6 × 4.6 4.6 3
FOKUS TOPIK
Kuasa tiga sempurna ialah suatu nombor yang merupakan hasil darab tiga faktor yang sama.
Contohnya: 27 = 3 × 3 × 3
A perfect cube is a number that is the product of three equal factors. For example: 27 = 3 × 3 × 3

18. Bulatkan semua nombor kuasa tiga sempurna. SP 3.2.2 TP2
Circle all perfect cube numbers.

512 56 8 16 729 1 146 125 36 121 3 64 81 160 256

19. Isi tempat kosong. SP 3.2.3 TP2
Fill in the blanks.

1 000 10 10 10
(a) –0.064 = (–0.4) × (–0.4 ) × (–0.4) (b) = × ×
343 = 7 × 7 × 7 27 3 3 3
–0.064
1 000
343
7 ×
7
7 ×
3  = 3  3   = 3 10 × 10 × 10
3

= (–0.4) × (–0.4) × (–0.4) 27 3 3 3
3
= 7 10
= –0.4 = 3
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03 Hybrid PBD Mate Tg1.indd 37 03/09/2021 3:33 PM