Long Division Explained

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Questions and Answers

In a division problem, what term describes the original number that is being divided?

  • Divisor
  • Quotient
  • Remainder
  • Dividend (correct)

What does the term 'remainder' refer to in a division problem?

  • The original number being divided.
  • The amount left over after division. (correct)
  • The number that divides the dividend.
  • The result of the division.

What is the role of estimation in the process of long division?

  • To find the remainder directly.
  • To quickly approximate how many times the divisor goes into a part of the dividend. (correct)
  • To complicate the division process.
  • To determine the exact quotient without performing calculations.

What is the divisor in the Euclidean Equality: 731 = 21 x 34 + 17?

<p>34 (C)</p> Signup and view all the answers

According to the Euclidean Equality (Dividend = (Quotient x Divisor) + Remainder), what is the dividend if the quotient is 12, the divisor is 5, and the remainder is 3?

<p>63 (D)</p> Signup and view all the answers

What is the quotient when 731 is divided by 34?

<p>21 (D)</p> Signup and view all the answers

During long division, after you subtract and bring down the next digit, what do you do next?

<p>Determine how many times the divisor goes into the new number. (B)</p> Signup and view all the answers

What does the Euclidean Equality primarily represent?

<p>The process of division. (D)</p> Signup and view all the answers

If you have completed all steps until there are no more numbers to bring down, what does the remaining number at the end of division represent?

<p>The remainder. (A)</p> Signup and view all the answers

Which of the following statements accurately describes the initial step in dividing 731 by 34?

<p>Determine how many times 34 goes into 73. (B)</p> Signup and view all the answers

Flashcards

What is division?

Splitting a number into equal parts or groups.

What is the dividend?

The number being divided.

What is the divisor?

The number that divides the dividend.

What is the quotient?

The result of the division.

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What is the remainder?

The amount left over after the division.

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What is the Euclidean Equality?

Dividend = (Quotient x Divisor) + Remainder

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How do you divide?

Start from the left, break down into smaller parts

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Basic division steps?

Estimate, multiply, subtract, bring down

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Study Notes

Division Basics

  • Division is splitting into equal parts or groups.
  • Division with a remainder does not go past the integer.
  • The goal is to find out how many times 34 can fit into 731.
  • The result is known as the quotient.
  • If 34 doesn't divide 731 perfectly, there will be a remainder.
  • This type of division leads to the Euclidean equality.

Steps for Division

  • Break down the division into smaller parts.
  • Start from left to right.
  • First, consider how many times 34 goes into 7, recognizing it doesn't work because 7 is too small.
  • Then, determine how many times 34 goes into 73.

Estimating the Quotient

  • Do quick calculations to the side as needed.
  • Multiplying 34 by 2 results in 68.
  • Multiplying 34 by 3 exceeds 73, so 2 is the correct quotient.
  • Write the 2 in the quotient position.

Calculating Remainder

  • Multiply 2 by 34.
  • From previous steps, 2 x 34 = 68.
  • Subtract 68 from 73.
  • 73 - 68 = 5.

Iterating the Process

  • Bring down the next digit (1) next to the 5, resulting in 51.
  • Determine how many times 34 goes into 51.

Final Steps

  • 34 goes into 51 only once.
  • Write 1 next to 2 in the quotient.
  • Calculate 1 x 34 = 34.
  • Subtract 34 from 51.
  • 51 - 34 = 17.
  • Since there are no more numbers to bring down, the division is complete.

Division Terminology

  • 731 (the original number being divided) is the dividend.
  • 34 (the number dividing the dividend) is the divisor.
  • 21 (the result of the division) is the quotient.
  • 17 (what is left over after division) is the remainder.

Euclidean Equality

  • It represents the division.
  • 731 = 21 x 34 + 17.
  • Dividend = (Quotient x Divisor) + Remainder.
  • Euclidean is from the Greek mathematician Euclid.
  • Euclid studied arithmetic and divisibility thousands of years ago.

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