Compare, Order, and Round Whole Numbers
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Compare, Order, and Round Whole Numbers

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Learn how to compare, order, and round whole numbers.

Learn how to compare, order, and round whole numbers.

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Compare, Order, and Round Whole Numbers Compare, Order, and Round Whole Numbers Presentation Transcript

  • Compare, Order, and Round Whole Numbers Mrs. Young EMC 1
  • Compare Numbers
    • Compare 34,693 and 34,539
    • Compare ten thousands (start from left and go right)
    • 3 4,693 same
    • 3 4,539
  • Compare Thousands
    • Compare 34,693 and 34,539
    • Compare thousands
    • 3 4 ,693 same
    • 3 4 ,539
    View slide
  • Compare Hundreds
    • Compare 34,693 and 34,539
    • Compare hundreds
    • 3 4 , 6 93 6 > 5
    • 3 4 , 5 39
    View slide
  • So…
    • Compare 34,693 and 34,539
    • So 34,693 > 34,539
  • Let’s Practice!
    • Start at the left. Name the first place-value position where the digits differ. Circle the greater number.
    • 146, 7 36 146, 8 46
    • hundreds
    • 49,872 48,871
    • 107,198 107,189
    • 17,612 20,176
  • Compare
    • Use <, >, or = to compare.
    • 345 354
    • 4,758 4,578
    • 13,344 14,433
    • 583,583 583,583
    • 565,565 565,656
  • Now, let’s order numbers!
    • Use the same rule for comparing to be able to put numbers in order from least to greatest
      • Start from left to right to determine which place values differ.
  • Order the Numbers
    • Order the numbers from least to greatest
    • 432,220 432,170 432,220
    • Remember to start from the left and compare!
  • Now, you try it!
    • 46,464 46,644 46,466
    • 2. 53,149 45,871 42,193
    • 3. 197,197 179,179 197,917
    • 4. 481,564 87,781 487,763
  • Now, order from greatest to least
    • Order these numbers from greatest to least
    • 246,736 246,846 246,856
    • 78,232 78,233 78,332
    • 94,675 97,537 97,735
  • How do I round numbers???
    • Rounding Numbers
      • Look at the digit to the right of where you are rounding
        • If the digit is 4 or less, round down
        • If the digit is 5 or more, round up
    • Round to the nearest hundred
      • 6, 7 28
      • The number to the right of the 7 is a 2
        • 2 is less than four so I need to round down!
        • 6,728 rounded to the nearest hundred equals 6,700
  • More on Rounding Numbers
    • Round to the nearest hundred
    • 12, 3 76
    • The number to the right of “3” is “7”
    • 7 is greater than 5, which means that I need to round the 3 up to a 4
    • All numbers after the 4 will become a 0
    • The answer is 12,400
  • Rounding Numbers continued…
    • Round to the nearest hundred
    • 4, 0 82
    • The number to the right of 0 is 8
    • 8 is greater than 0, which means that I need to round the 0 up to a 1
    • All numbers after the 1 will become a 0
    • The answer is 4,100
  • You try it!
    • Round to the nearest thousand
    • 4 ,817
    • 1 1 , 9 62
    • 3 5 , 6 32
    • 1 6 ,498