Long Division Problem: Dividing 5409 by 6 Step-by-Step

Long Division with Four-Digit Numbers

65409

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve
00:03 Let's start by dividing the leftmost digit in the divisor
00:09 5 is less than 6, so we'll add the next digit, and then divide
00:12 Write the result without the remainder above, pay attention to the position
00:15 Now multiply the result by the divisor
00:18 Subtract the product from the number
00:24 Now bring down the next digit and use the same steps
00:27 Divide
00:30 Write the result without the remainder above, pay attention to the position
00:35 Multiply the result and subtract
00:39 Now bring down the next digit and use the same steps
00:42 Divide
00:47 Write the result without the remainder above, pay attention to the position
00:51 Multiply the result and subtract
00:57 We got a remainder of 3
01:04 And this is the solution to the problem

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

65409

2

Step-by-step solution

To solve the problem, we will use long division to divide 5409 by 6:

  • Step 1: Identify the first digit of the dividend (5), which is less than 6. Combine it with the next digit (4) to make 54.
  • Step 2: Divide 54 by 6, which goes 9 times. Write 9 as the first digit of the quotient.
  • Step 3: Subtract 9×6=549 \times 6 = 54 from 54, leading to a remainder of 0. Bring down the next digit (0).
  • Step 4: Divide the resulting 0 by 6. It goes 0 times, so write 0 in the quotient.
  • Step 5: Bring down the last digit (9).
  • Step 6: Divide 9 by 6, which goes 1 time. Write 1 as the next digit of the quotient.
  • Step 7: Subtract 1×6=61 \times 6 = 6 from 9, resulting in a remainder of 3.

The quotient is 901, and the remainder is 3.

Therefore, the solution to the problem is 901 901 with a remainder of 3.

3

Final Answer

901 901 with a remainder of 3

Key Points to Remember

Essential concepts to master this topic
  • Setup: Start with leftmost digits that make a number ≥ divisor
  • Technique: Divide 54 by 6 = 9, then bring down next digit
  • Check: Multiply quotient by divisor plus remainder: 901 × 6 + 3 = 5409 ✓

Common Mistakes

Avoid these frequent errors
  • Skipping zeros in the quotient
    Don't ignore the middle zero when dividing 0 by 6 = wrong quotient like 91! This gives an incomplete answer. Always write 0 in the quotient when the dividend is smaller than the divisor.

Practice Quiz

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216

FAQ

Everything you need to know about this question

Why do I need to write 0 in the middle of my answer?

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When you bring down a digit and get a number smaller than the divisor (like 0 ÷ 6), you must write 0 in that position. Otherwise, your quotient will be in the wrong place value!

How do I know when to stop dividing?

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Stop when you've brought down all digits from the dividend. The final remainder (if any) should be smaller than your divisor.

What if I can't divide the first digit?

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That's normal! When the first digit is smaller than the divisor (like 5 < 6), combine it with the next digit to make a larger number (54).

How can I check if my long division is correct?

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Use this formula: Quotient × Divisor + Remainder = Original Number

For this problem: 901×6+3=5406+3=5409 901 \times 6 + 3 = 5406 + 3 = 5409

What does 'remainder 3' actually mean?

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The remainder is what's left over after dividing. It means 5409 ÷ 6 = 901 with 3 extra that can't be divided evenly by 6.

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