

PECAHAN
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
Lintang Sari
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9 Slides • 7 Questions
1
PECAHAN
KELAS VII SEMESTER 1

2
Pecahan sudah kalian pelajari saat kelas 5 SD, materi ini untuk menggali sejauh mana pemahaman kalian terhadap pecahan
3
BILANGAN PECAHAN ADALAH BILANGAN YANG DAPAT DINYATAKAN KE DALAM BENTUK ba dengan:
a , b adalah bilangan bulat dan b = 0.
Bilangan a disebut pembilang, dan
Bilangan b disebut penyebut4
Pecahan Campuran
contoh:
49=241 ⟹ 2 adalah hasil bagi, 1 adalah sisa bagi, dan 4 pembagi
352=53×5+2=517
5
Multiple Choice
472=...
730
756
713
724
6
Multiple Choice
Sederhanakan bentuk 421
521
541
251
451
7
Mengubah pecahan menjadi bentuk persen
ba=ba×100%
8
contoh
a. 51=51×100%=20%
b. 252=512×100%=240%
9
Multiple Choice
Pecahan 223 di ubah menjadi bentuk persen adalah....
600%
350%
200%
150%
10
Penjumlahan dan Pengurangan Bilangan Pecahan
Contoh :
21+32=63+64=67=161
23−53=1015−106=109
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Multiple Choice
23+132= . . .
161
261
361
461
12
Multiple Choice
52−43=....
207
−207
97
−97
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Perkalian dan Pembagian Bilangan Pecahan
ba×dc=b×da×c
ba÷dc=ba×cd=b×ca×d
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Contoh Soal
Selesaikanlah soal berikut ini:
1. 31×152=31×57=3×51×7=157
2. 231÷52=37÷52=37×25=3×27×5=635
15
Multiple Choice
253×121= . . .
2103
1013
3103
1039
16
Multiple Choice
41÷231=....
127
218
217
283
PECAHAN
KELAS VII SEMESTER 1

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