How is the quotient of 2,001 and 87 determined using an area model? Enter your answers in the boxes to complete the equations.

1 answer

To determine the quotient of 2,001 and 87 using an area model, you can represent the division in a visual format. Let's break this down step by step:

  1. Set Up the Problem: You're trying to find how many times 87 fits into 2,001.

  2. Breaking Down the Numbers: Start by approximating how many times 87 goes into 2,001. A good first step is to find multiples of 87 that are easier to work with.

    • 87 × 20 = 1,740
    • 87 × 30 = 2,610 (which is too high)
    • So, we can start with 20, then refine our estimate.
  3. Finding the Area:

    • Assume 87 goes into 2,001 about 20 times. Thus, the area of our model would help confirm this. You can write: \[ 87 \times 20 = 1,740 \]
    • Now, we calculate how much remains after subtracting this area from the total area: \[ 2,001 - 1,740 = 261 \]
  4. Continuing the Division: Since we still have 261 left:

    • We can now calculate how many times 87 goes into 261: \[ 87 × 3 = 261 \]
  5. Final Calculation: Combine the results:

    • \(20\) times (for the first area) plus \(3\) times (for the second area) gives you: \[ 20 + 3 = 23 \]
  6. Write the Equations: You can fill in the boxes like this: \[ 2,001 = 87 \times 23 \]

    Therefore, the completed equations are:

    • \(2,001 = 87 \times (20 + 3)\)
    • \(2,001 = 87 \times 23\)

In summary, the quotient of 2,001 and 87 is 23, using the area model approach to break down the calculation into manageable parts.

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