

penjumlahan dan pengurangan bilangan cacah
Presentation
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Hard
Linda Pertiwi
FREE Resource
7 Slides • 0 Questions
1
By Linda Pertiwi
2
APA ITU BILANGAN CACAH?
Bilangan cacah adalah bilangan bulat yang tidah negatif, yaitu bilangan yang dimulai dari 0 dan seterusnya.
contohnya : 0,1,2,3,4,5,6, dan seterusnya
3
PENJUMLAHAN BILANGAN CACAH
Penjumlahan adalah proses menghitung total dari dua lebih bilangan cacah
contoh :
1. 3 + 2 = 5
2. 7 + 4 = 11
3. 10 + 5 = 15
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Pengurangan adalah proses mengurangi suatu bilangan dengan bilangan lainnya
Contoh : 1. 8 - 3 = 5
2. 12 - 7 = 5
3. 9 - 5 = 4
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4 + 3 =.......
9 + 6 =.......
15 + 7 =......
KERJAKAN SOAL BERIKUT!
SOAL LATIHAN PENJUMLAHAN
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Kerjakan soal berikut!
1. 10 - 3 =......
2. 18 - 9 =......
3. 25 - 6 =......
SOAL LATIHAN PENGURANGAN
7
KESIMPULAN
Bilangan cacah dimulai dari 0 dan seterusnya.
Penjumlahan digunakan untuk menambah jumlah.
Pengurangan digunakan untuk mengurangi jumlah.
Keduanya merupakan operasi dasar dalam matematika.
By Linda Pertiwi
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