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1. Rangkuman rumus Matematika SD di bawah ini mencakup pelajaran Matematika mulai dari kelas 1 hingga 6 SD. Inti Matematika SD

2. Himpunan Bilangan Bilangan asli = {1, 2, 3, ...} Bilangan cacah = {0, 1, 2, 3, ...} Bilangan bulat = {..., -3, -2. -1, 0, 1, 2, 3, ...} Bilangan rasional = a/b, dengan a adalah bilangan bulat dan b adalah bilangan asli. a disebut pembilang dan b disebut penyebut. B i l a n g a n 2 . Sifat Pengerjaan Bilangan Cacah Sifat komutatif ( pertukaran ) a + b = b + a a x b = b x a Sifat asosiatif ( pengelompokkan ) (a + b) + c = a + (b + c) (a x b) x c = a x (b x c) Sifat penjumlahan bilangan nol a + 0 = 0 Sifat perkalian bilangan satu a x 1 =a Sifat distributif ( penyebaran ) a x (b + c) = (a x b) + (a x c)

3. 3. Cara Pengerjaan Pecahan Penjumlahan dua buah pecahan yang penyebutnya sama a/b + c/b = (a + c)/b Pengurangan pecahan yang penyebutnya sama a/b - c/b = (a - b)/c Perkalian pecahan c x a/b = (c x a)/b (a/b) x (c/d) = (a x c)/(b x d) (a/b) x (b/a) =1 Pembagian pecahan c : (a/b) = c x (b/a) (a/b) : c = (a/b) x (1/c) (a/b) : (c/d) = (a/b) x (d/c) Pecahan campuran a (b/c) = ( a x c) + b/c

4. 4. Sifat Pengerjaan Bilangan Cacah Sifat komutatif (pertukaran) (a/b) + (c/d) = (c/d) + (a/b) (a/b) x (c/d) = (c/d) x (a/b) Sifat asosiatif (pengelompokkan) ((a/b) + (c/d)) + (e/f) = (a/b) + ((c/d) + (e/f)) ((a/b) x (c/d)) x (e/f) = (a/b) x ((c/d) x (e/f)) Sifat bilangan nol Semua bilangan pecahan apabila dijumlahkan dengan nol maka hasilnya bilangan pecahan itu sendiri: (a/b) + 0 = (a/b) Semua bilangan pecahan apabila dikalikan dengan nol maka hasilnya nol: (a/b) x 0 = 0 Sifat bilangan satu Semua bilangan pecahan apabila dikalikan dengan satu maka hasilnya bilangan pecahan itu sendiri: (a/b) x 1 = (a/b) Sifat kebalikan Semua bilangan pecahan apabila dikalikan dengan kebalikannya menghasilkan bilangan satu: (a/b) x (b/a) = 1 Sifat penyebaran (a/b) x ((c/d) + (e/f)) = ((a/b) x (c/d)) + (a/b) x (e/f))

5. Bangun Datar

6. Persegi panjang Keliling = (2 x panjang) + (2 x lebar) Luas = panjang x lebar Persegi panjang Keliling = (2 x panjang) + (2 x lebar) Luas = panjang x lebar Segitiga Keliling = sisi + sisi + sisi Luas = 1/2 x alas x tinggi Jajar genjang Keliling = (2 x a) + (2 x b) Luas = alas x tinggi Trapesium Keliling = a + b + c + d Luas = 1/2 x jumlah sisi sejajar x tinggi Lingkaran Keliling = π x diameter atau 2 x π x jari-jari Luas = π x jari-jari x jari-jari; dimana π sama dengan 22/7 atau 3,14

7. Bangun Ruang Volume balok atau prisma tegak segi empat = panjang x lebar x tinggi Volume kubus = sisi x sisi x sisi Volume prisma tegak segitiga = 1/2 x panjang x lebar x tinggi Volume tabung = π x jari-jari x jari-jari x tinggi Volume kerucut = 1/3 x π x jari-jari x jari-jari x tinggi

8. Satuan Ukuran Panjang

9. Setiap kenaikan satu tangga, satuan panjang dikalikan 10. Sedangkan untuk setiap penurutan satu tangga, satuan panjangnya dibagi 10. Persamaan dari seluruh tangga di atas menjadi seperti berikut ini: 1 meter (m) = 0,001 kilometer (km) 1 meter (m) = 0,01 hektometer (hm) 1 meter (m) = 0,1 dekameter (dam) 1 meter (m) = 10 desimeter (dm) 1 meter (m) = 100 sentimeter (cm) 1 meter (m) = 1000 milimeter (mm)

10. Satuan Ukuran Waktu 1 abad = 100 tahun 1 windu = 8 tahun 1 lustrum = 5 tahun 1 bulan = 28 hari atau 29 hari atau 30 hari atau 31 hari 1 minggu = 7 hari 1 tahun = 365 hari (tahun biasa) atau 365 hari (tahun kabisat) 1 hari = 24 jam 1 jam = 60 menit 1 menit = 60 detik

11. Pengolahan Data DATA

12. Mean adalah nilai tengah Median adalah nilai yang paling sering muncul Modus adalah nilai rata-rata: jumlah semua data/banyaknya data

13. Here Goes the Introduction Venus has a beautiful name and is the second planet from the Sun

14. Table of Contents Features of the Main Topic A Complete Overview You could describe the topic of the section here This Is the Assignment All about the Main Topic 01 04 03 02 You could describe the topic of the section here You could describe the topic of the section here You could describe the topic of the section here

15. A Complete Overview You could enter a subtitle here if you need it 01

16. 1,500 Books Saturn is a gas giant and has rings 15 Classrooms Despite being red, Mars is cold 65,500 Venus has a beautiful name

17. —Someone Famous “This is a quote, words full of wisdom that someone important said and can make the reader get inspired.”

18. Here you could give a brief description of the topic you want to talk about What Is This Topic About?

19. Practical Uses Saturn Venus Despite being red, Mars is a cold place Saturn is a gas giant and has rings Venus has a beautiful name Neptune Mercury is the smallest planet Mercury Jupiter Mars It's the farthest one from the Sun It's the biggest planet of them all

20. Awesome Words

21. Solving Process Solution Despite being red, Mars is a cold place Problem Venus has a beautiful name, but it’s hot

22. Features of the Topic Mercury Mercury is the smallest planet Mars Saturn Despite being red, Mars is a cold place Saturn is a gas giant and has rings

23. Definition of Concepts Mercury Mercury is the smallest planet Mars Saturn Despite being red, Mars is a cold place Saturn is a gas giant and has rings Venus Venus has a beautiful name

24. 1,000,000² Big numbers catch your audience’s attention

25. This is a Map Despite being red, Mars is quite cold Venus has a really beautiful name Saturn is the one with rings around it

26. Mercury is the smallest planet of them all Neptune is the farthest one from the Sun Jupiter is the biggest planet of them all Despite being red, Mars is a cold place Saturn is a gas giant and has rings Did You Know This?

27. This Is an Exercise Does Mercury’s name have anything to do with the liquid metal? No, the truth is that this planet was named after the Roman messenger god, Mercury

28. Mars is full of iron oxide dust, which gives the planet its reddish cast

29. Process Step 01 Mercury is the smallest planet Step 02 Step 03 Step 04 Despite being red, Mars is a cold place Jupiter is the biggest planet Venus has a beautiful name

30. Check This Diagram Mercury is the smallest planet Despite being red, Mars is a cold place Jupiter is the biggest planet Venus has a beautiful name Saturn is the ringed planet Neptune is the farthest planet

31. Overview To modify this graph, click on it, follow the link, change the data and paste the new graph here Mercury It’s the innermost one Earth It’s where we live on Venus It’s a very hot planet Neptune It’s the outermost one Lesson 1 Lesson 3 Lesson 2

32. A Picture Is Worth a Thousand Words

33. This Is a Timeline Saturn: Ringed one Jupiter: Biggest one Venus: Beautiful name 2018 2019 2020

34. This is a Table 2017 2018 2019 2020 Venus Mars

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36. Mercury is the smallest planet of all of them Neptune is the farthest one from the Sun Jupiter is the biggest planet of them all Here Is Your Assignment

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