
Presentasi Materi Bilangan Bulat
Presentation
•
Mathematics
•
7th Grade
•
Hard
Novrianus Abatan
FREE Resource
8 Slides • 5 Questions
1
2
Bilangan bertanda sama: Jumlahkan nilai absolut kedua bilangan, lalu berikan tanda yang sama.
Contoh: 5 + 3 = 8
Contoh: (-5) + (-3) = -8
Bilangan bertanda berbeda: Kurangkan nilai absolut kedua bilangan, lalu berikan tanda bilangan yang nilainya lebih besar.
Contoh: 7 + (-2) = 5
Contoh: (-7) + 2 = -5
3
Pengurangan bilangan bulat dapat diubah menjadi penjumlahan dengan lawan bilangan.
Contoh: 5 - 3 = 5 + (-3) = 2
Contoh: (-5) - 3 = (-5) + (-3) = -8
4
Tanda sama: Hasilnya positif.
Tanda berbeda: Hasilnya negatif.
Contoh: 4 x 3 = 12
Contoh: (-4) x 3 = -12
Contoh: 4 x (-3) = -12
Contoh: (-4) x (-3) = 12
5
Tanda sama: Hasilnya positif
Tanda berbeda: Hasilnya negatif
Contoh: 12 : 3 = 4
Contoh: (-12) : 3 = -4
Contoh: 12 : (-3) = -4
Contoh: (-12) : (-3) = 4
6
7
Kerjakan Soal di Bawah ini dengan teliti !
8
Multiple Choice
Hasil dari 67-(-56)+32 adalah
9
Video Response
Hasil dari (-5)+5 adalah ...

10
Multiple Choice
Hasil dari 44 x (147 - 145) : 8 adalah
11
Fill in the Blanks
Pada hari Minggu, ibu berbelanja ke pasar. Ia membeli 5 kg jeruk, 1 kg jeruk berisi 15 buah. Jeruk tersebut akan dimasukkan pada 3 kantong plastik dengan isi sama banyak. Banyak jeruk tiap kantong plastik adalah...
12
Fill in the Blanks
Jika suhu di kota A adalah -5°C dan suhu di kota B adalah 12°C lebih tinggi dari kota A, maka suhu di kota B adalah
13
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