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Chapter 2 Math Review

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  • Use a number line to round 255 to the nearest hundred.
    300
  • Use a number line to round 392 to the nearest ten.
    390
  • Use a number line to round 531 to the nearest hundred.
    500
  • Round to the nearest hundred, then add. 156 + 589 =
    800
  • Chelsea bought 234 daisies. Jessie bought 364 roses. About how many flowers do Chelsea and Jessie have?
    590 flowers (to the nearest ten) or 600 flowers (to the nearest hundred)
  • Use a number line to round 179 to the nearest hundred.
    200
  • Round to the nearest ten, then add. 431 + 176 =
    610
  • There are 455 students at Whitesides. There are 532 students at Lincoln. About how many students attend both schools?
    990 students (to the nearest ten) or 1,000 (to the nearest hundred)
  • Use a number line to round 74 to the nearest ten.
    70
  • Round to the nearest hundred, then find the difference. 890 - 455 =
    400
  • Use a number line to round 987 to the nearest hundred.
    1,000
  • Use a number line to round 531 to the nearest hundred.
    500
  • Round to the nearest hundred, then add. 645 + 293 =
    900
  • Round to the nearest ten, then find the difference. 356 - 142 =
    220
  • Use a number line to round 803 to the nearest ten.
    800
  • Round to the nearest ten, then add. 228 + 341 =
    570
  • Jeremy has 424 marbles. Joe has 174 marbles. Sasha has 82 marbles. About how many marbles do they have altogether?
    670 marbles (To the nearest ten) or 700 marbles (to the nearest hundred)
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