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MATEMATIK TAHUN 6
Unit 1: Nombor dan Operasi (II)
Nombor Perdana
Apa itu
“Nombor
Perdana”?
Nombor Perdana ialah nombor
yang MESTI:
• Lebih daripada 1.
• Hanya boleh dibahagi
dengan nombor 1 dan
nombor itu sendiri
*Nak senang, rujuk sifir*
Contoh soalan
berkenaan
“Nombor
Perdana”
Contoh:
Tentukan sama ada setiap nombor berikut
ialah nombor perdana atau bukan.
a) 5
b) 9
Penyelesaian:
a) 5
Tiada sifir lain yang ada jawapan kecuali
sifir 1 dan sifir 5 sendiri.
Maka, 5 itu ialah Nombor Perdana
Penyelesaian:
b) 9
• Nombor 9 ada dalam sifir 3
[ Semak 3 x 3 = 9 ]
• Maka, 9 bukan nombor perdana.
Bagi nombor 1 hingga
100, ada 25 nombor
daripadanya ialah
nombor perdana.
*Kalau boleh sila ingat
nombor ini*
Contoh soalan
“Nombor Perdana”
Soalan 1
Adakah nombor 5
merupakan
“Nombor Perdana”?
Betul atau Salah
Jawapannya ialah…..
Soalan 2
Adakah nombor 21
merupakan
“Nombor Perdana”?
Betul atau Salah
JAWAPANNYA IALAH
Soalan 3
Nyatakan dua nombor
perdana yang
memberikan jawapan
ayat matematik di
sebelah.
____ + ____ = 8
3 dan 5
Semak: 3 + 5 = 8
(3 dan 5 hanya boleh dibahagi
oleh 1 dan nombor itu sendiri.)
JAWAPANNYA IALAH

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MATEMATIK TAHUN 6 Nombor Perdana.pptx