Gandaan terbesar = Largest multiple For a division with a remainder, find the largest multiple of the divisor that is not more than the starting number. For 23 ÷ 5, the table of 5 has 20 and 25. Since 25 is too big, choose 20, which is 4 × 5 = 20. Example: 17 ÷ 3: 15 fits but 18 is too big, so use 5 × 3 = 15. Watch out: The multiple must not be bigger than the starting number.
Langkah 2
Tolak untuk mendapat baki
Selepas menggunakan 20 daripada 23, baki ialah 3. Jadi 23 ÷ 5 = 4 baki 3. Dalam bentuk lazim, 4 ditulis di atas dan baki 3 di bawah.
Tolak untuk baki = Subtract to find the remainder After finding the largest multiple, subtract it from the starting number to get the remainder. 23 − 20 = 3, so 23 ÷ 5 = 4 remainder 3. That means 4 groups of five with 3 left over. Example: 17 ÷ 3: 17 − 15 = 2, so 17 ÷ 3 = 5 remainder 2. Watch out: Write both parts of the answer, the groups and the remainder; one number alone is incomplete.
Langkah 3
Baki mesti lebih kecil
Baki sentiasa lebih kecil daripada pembahagi. Bahagi dengan 10: digit puluh ialah jawapan dan digit sa ialah baki, contohnya 56 ÷ 10 = 5 baki 6.
Baki lebih kecil = Remainder must be smaller The remainder must always be smaller than the divisor. If it is equal or bigger, one more group can still be made, so the division is not finished. For example, writing 14 ÷ 4 as 2 remainder 6 is wrong, because 6 is bigger than 4. Example: 26 ÷ 4 = 6 remainder 2, and 2 is smaller than 4, so it is correct. Watch out: Always compare the remainder with the divisor before you finish.
Semak cepat · Soalan 1 / 2
Cuba sendiri
Pilih jawapan. Jika belum tepat, baca petunjuk dan cuba lagi.
Bahagi dengan baki = Division with remainder The question asks for 19 ÷ 4, and the answer has two parts: the number of groups and the remainder. Find the largest multiple of 4 up to 19 and subtract it. Check that the remainder is smaller than 4 and that groups × 4 + remainder makes 19. Example: 22 ÷ 4 = 5 remainder 2. Check: 5 × 4 + 2 = 22. Watch out: When checking, multiply first and then add the remainder.
Semak cepat · Soalan 2 / 2
Cuba sendiri
Pilih jawapan. Jika belum tepat, baca petunjuk dan cuba lagi.
Baki dan pembahagi = Remainder and divisor The question asks for 23 ÷ 5, and needs both groups and remainder right. Subtract the largest multiple of 5 up to 23. Then check two things: groups × 5 + remainder gives 23, and the remainder is smaller than 5. Example: 38 ÷ 5 = 7 remainder 3. Check: 7 × 5 + 3 = 38. Watch out: Do both checks; getting back the starting number alone is not enough.
Ringkasan
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Ingat: cari gandaan terbesar; tolak untuk mendapat baki; baki mesti lebih kecil.
