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Rounding Whole Numbers to the Nearest 10, 100, and 1,000

Rounding Whole Numbers to the Nearest 10, 100, and 1,000. Objective: I can round numbers to the nearest 10, 100, and 1,000. Review. Using a number line, round the following number to the nearest 10 and 100. 1. 773 rounded to the nearest 10 is ____________.

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Rounding Whole Numbers to the Nearest 10, 100, and 1,000

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  1. Rounding Whole Numbers to the Nearest 10, 100, and 1,000 Objective: I can round numbers to the nearest 10, 100, and 1,000.

  2. Review • Using a number line, round the following number to the nearest 10 and 100. • 1. 773 rounded to the nearest 10 is ____________. 2. 773 rounded to the nearest 100 is ____________. 773 775 780 770 750 773 800 700

  3. How do I round whole numbers? • Step 1: Look at the place value you are being asked to round. Underline that number. Example: Round to the nearest hundred. 6 4 9 • Step 2: Circle the digit to the right of the place value you are bring asked to round to. Example: 6 4 9

  4. How do I round whole numbers? • Step 3: Now look at the digit that is circled. If the digit is 0, 1, 2, 3, or 4 then leave the underlined digit the same. If the circled number is 5, 6, 7, 8, or 9 then round the underlined digit up. Example: 6 4 9 Since the circled digit is a 4, we would leave the underlined digit (6) the same. • Step 4: Now turn all the digits to the right of the underlined digit into zeros. Example: 600 HINT TO REMEMBER: *5 and above give it a shove, 4 and below let it go*

  5. Try rounding to the nearest 1,000 Using the same steps, round the following number to the nearest 1,000: 2, 8 7 7 The answer is 3, 000 MOVE TO FIND THE ANSWER!

  6. Guided Practice Directions: Round each number to the nearest ten, hundred and thousand. TEN HUNDRED THOUSAND 2, 535 ____________ ____________ ______________ 4, 292 ____________ ____________ _______________

  7. Student Practice Directions: Round the following numbers to the nearest thousand. Do your work on the left side of the interactive notebook. • 5, 769 • 2, 340 • 275, 923 • 27, 945 Bonus: Round these numbers to the nearest ten thousand. • 125, 019 • 174, 999 • 668, 231

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