
PECAHAN
Presentation
•
Mathematics
•
1st Grade
•
Hard
Anggraini Ramadhani
Used 2+ times
FREE Resource
4 Slides • 3 Questions
1
PECAHAN
By : Miss Anggi
2
Mengenal macam-macam pecahan
1. Pecahan sejati
Pecahan yang pembilangnya kurang dari penyebut.
52 , 74
2. Pecahan tidak sejati
Pecahan yang pembilangnya lebih dari penyebut
56, 25
3. Bilangan campuran
Bilangan campuran yang dimaksud adalah campuran antara bilangan bulat dan pecahan.
4. Bilangan Desimal
3
Penjumlahan dan Pengurangan Pecahan
1. 52+56=58
2. 43+52=4×53×5+5×42×4=2015+208=2023
3. 2 43−1 71=42×4+3−71×7+1=411−78 =4×711×7−7×48×4=2877−2832=2845
4
Perkalian dan Pembagian Pecahan
1. Rumus Perkalian Pecahan
ba×dc=b×da×c
contoh : 72×35=7×32×5=2110
2. Rumus Pembagian Pecahan
ba÷dc=ba×cd=b×ca×d
contoh : 72÷51=72×15=714=2
5
Fill in the Blanks
54, 55 %, 45 % , 0,5
Urutkan bilangan berikut dari yang terkecil...
Type answer...
6
Multiple Choice
Tentukan hasil dari perkalian berikut :
1 21×2 32×343=...
13
15
138
154
7
Multiple Choice
2 31+43=...
Tentukan hasil penjumlahan diatas :
128
127
3 121
6 121
PECAHAN
By : Miss Anggi
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