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Lesson 3-8 Example 2

3-8. Example 2. Lesson 3-8 Example 2. Find the difference of 9,642 and 2,157. Use expanded form. 1. What is the greatest place value of the numbers?. thousands. 3-8. Example 2. Lesson 3-8 Example 2. Find the difference of 9,642 and 2,157. Use expanded form.

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Lesson 3-8 Example 2

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  1. 3-8 Example 2 Lesson 3-8 Example 2 Find the difference of 9,642 and 2,157. Use expanded form. 1.What is the greatest place value of the numbers? thousands

  2. 3-8 Example 2 Lesson 3-8 Example 2 Find the difference of 9,642 and 2,157. Use expanded form. 2.Round the numbers to the greatest place value. 10,000 and 2,000

  3. 3-8 Example 2 Lesson 3-8 Example 2 Find the difference of 9,642 and 2,157. Use expanded form. 3.Write the estimate. 10,000 – 2,000 = 8,000

  4. 3-8 Example 2 Lesson 3-8 Example 2 Find the difference of 9,642 and 2,157. Use expanded form. 4.Write the numbers in expanded form. 9,000 + 600 + 40 + 2− (2,000 + 100 + 50 + 7)

  5. 9,000 + 600 + 30 + 12− (2,000 + 100 + 50 + 7) 9,000 + 500 + 130 + 12− (2,000 + 100 + 50 + 7) 3-8 Example 2 Lesson 3-8 Example 2 Find the difference of 9,642 and 2,157. Use expanded form. 5.Notice that 50 > 40 and 7 > 2. Regroup tens to ones. Regroup hundreds to tens.

  6. 9,000 + 500 + 130 + 12− (2,000 + 100 + 50 + 7) 3-8 Example 2 Lesson 3-8 Example 2 Find the difference of 9,642 and 2,157. Use expanded form. 6.Subtract the columns and write the difference in standard form. 7,000 + 400 + 80 + 5 7,000 + 400 + 80 + 5 =7,485

  7. 3-8 Example 2 Lesson 3-8 Example 2 Find the difference of 9,642 and 2,157. Use expanded form. 7.Compare your answer and estimate. 7,485 is close to 8,000 so it is reasonable.

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