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Grade 3 rounding and estimating

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  • The school library has 1,847 books. About how many books does it have, rounded to the nearest 100?
    1,800
  • A car traveled 349 miles and then another 578 miles. Estimate the total distance by rounding each number to the nearest 100.
    300 + 600 = 900
  • Round 3,486 to the nearest 100 and to the nearest 1,000.
    Nearest 100 = 3,500; Nearest 1,000 = 3,000
  • A bag of apples weighs 92 pounds. What is its weight rounded to the nearest 100?
    100
  • Round 354 to the nearest 10.
    350
  • Round 47 to the nearest 10.
    50
  • Estimate the sum of 145 and 267 by rounding to the nearest 100.
    100 + 300 = 400
  • A plane traveled 523 miles. About how far did it travel, rounded to the nearest 10?
    520
  • The total bill at a restaurant was $436. What is the amount rounded to the nearest 100?
    $400
  • A delivery truck drove 764 miles in one week and 485 miles in the next week. Estimate the total distance by rounding both numbers to the nearest 100.
    800 + 500 = 1,300
  • Round 1,243 to the nearest 100.
    1,200
  • A family spent $236 on groceries and $184 on clothes. Estimate the total cost by rounding to the nearest 10.
    $240 + $180 = $420
  • What is 123 rounded to the nearest 100?
    100
  • A pen costs $38, and a notebook costs $64. Estimate the total cost by rounding to the nearest 10.
    $40 + $60 = $100
  • Round 876 to the nearest 100.
    900
  • A shopkeeper earned $986 in January and $1,245 in February. Estimate the total earnings by rounding to the nearest 100.
    $1,000 + $1,200 = $2,200
  • Round 567 to the nearest 100. Then round it to the nearest 10.
    Nearest 100 = 600; Nearest 10 = 570
  • A bakery sold 589 cupcakes in the morning and 672 in the afternoon. Estimate the total sales by rounding both numbers to the nearest 10.
    590 + 670 = 1,260
  • Round 76 to the nearest 10.
    80
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