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Materi Satuan Panjang

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Materi Satuan Panjang

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  1. Matematika Kelas IV Semester Ganjil Geometri dan Pengukuran 3. Menggunakan pengukuran sudut, panjang, dan berat dalam pemecahan masalah 3.2 Menentukan hubungan antar satuan waktu, antar satuan panjang, dan antar satuan berat Satuan panjang

  2. Macam Satuan Panjang Ada dua macam satuan ukuran panjang yaitu: a. Satuan ukuran panjang tak baku, misalnya: jengkal, hasta, depa, langkah, dan lengan. Satuan ukuran panjang tak baku tidak lazim digunakan karena sifatnya tidak tetap dan selalu berubah-ubah. Namun dalam masyarakat tradisional hal itu masih sering digunakan.

  3. b. Satuan ukuran panjang baku Satuan ukuran panjang baku ditetapkan melalui perjanjian internasional dan sifatnya tetap. Satuan ukuran panjang baku standar internasional adalah kilometer (km), hektometer (hm), dekameter (dam), meter (m), desimeter (dm), sentimeter (cm), dan milimeter (mm).

  4. Contoh Soal Perhatikan contoh berikut! 1. 8 dam = ... dm. 8 dam = 8 x 100 = 800 dm. 2. 4 hm + 600 cm = ... m. 4 hm = 400 m 600 cm = 6 m = 406 m

  5. Ayo Berlatih Ubahlah satuan panjang berikut ini dengan tepat! 1. 19 km = ... m. 2. 16 m = ... cm. 3. 6 dm = ... mm. 4. 18 dm = ... mm. 5. 5 hm = ... dm.

  6. 6. 9.000 dm + 8 hm =... dam. 7. 6 hm + 70 dm = ... m. 8. 15 hm – 8 dam = ... m. 9. 418 dam – 300 dm = ... m. 10.715 km – 40 hm = ... m. Selamat Berlatih

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