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Compare, Order, and Round Whole Numbers

Compare, Order, and Round Whole Numbers. Objective: Compare, order, and round whole numbers through hundred billions. Comparing numbers. When we compare we use terms such as: Less than < Greater than > Equal to =. Comparing (Step 1).

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Compare, Order, and Round Whole Numbers

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  1. Compare, Order, and Round Whole Numbers Objective: Compare, order, and round whole numbers through hundred billions.

  2. Comparing numbers • When we compare we use terms such as: • Less than < • Greater than > • Equal to =

  3. Comparing (Step 1) • When you are comparing numbers you must line them up by place value. For example: 18,066,000 18,131,000 • Are these two numbers lined up correctly?

  4. Comparing (Step 2) • Start from the left. Compare the digits until they are different. 18,066,000 18,131,000 The hundred thousands digits are different. 1 is greater than 0, so…… 18,131,000 > 18,066,000

  5. Compare. Write >, <, or =. • 1. 25,431 _ 25,661 • Step 1: 25,431 25,661 Step 2: 25,431 25,661 25,431 < 25,661

  6. Compare. Write >, <, or =. • 2. 4,569,102 _ 4,570,000 • (step 1) 4,569,102 4,570,000 (step 2) 4,569,102 4,570,000 4,569,102 < 4,570,000

  7. Compare. Write >, <, or =. • 3. 73,000 _ 9,995 (1) 73,000 9,995 73,000 > 9,995 • 4. 37,329,410 _ 38,000,116 37,329,410 38,000,116 37,329,410 < 38,000,116

  8. Order each set of numbers from greatest to least • 5. 43,055; 422,007; 42,007 • (Step 1) Line up the numbers by place value. 43,055 422,007 42,007

  9. Step 2 • Start at the left. Compare digits. 43,055 422,007 42,007 422,007 is the greatest number. Continue comparing. 3 > 2 43,055 > 42,007

  10. 5. 422,007; 43,055; 42,007 • You do #6. Greatest to least • 6. 82,811,121; 82,935,661; 812,661 • 82,935,661; 82,811,121; 812,661

  11. Rounding! • http://www.brainpop.com/math/numbersandoperations/rounding/

  12. The rounding poem Find your number Look right next door 4 or less, just ignore 5 or more add one more! Write this poem down in your notes!

  13. Round to the place value indicated by the underlined digit. • 7. 545 545 500 • 8. 783,256 783,256 783,000

  14. 9. 24,592,124 24,592,124 25,000,000 • 10. 674,129,811 674,129,811 674,130,000

  15. In Math TextbookClass work/Homework • Page 11-12 • Do #11-27 (odd) and #37,38,39, and 40

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