Worksheet: Rounding Numbers with One Decimal Place

In this worksheet, we will practice rounding decimals with one decimal place to the nearest whole number.


The Gila monster and the chuckwalla are lizards that can be found in the United states. The largest Gila monsters are about 60 cm in length, the largest common chuckwallas are about 39 cm in length. Approximately how many times longer is a large Gila monster than a large common chuckwalla?

  • A2.00 times longer
  • B1.45 times longer
  • C1.35 times longer
  • D1.54 times longer
  • E1.53 times longer


It took Daniel 11 months to develop a mobile application. If he got paid $24,979.71, find, on average, Daniel’s monthly payment rounded to the nearest dollar.


Elizabeth paid $1,695 for carpeting her living room’s floor. If Elizabeth’s living room has an area of 464.7 square feet, determine, to the nearest cent, the unit cost of carpeting in dollars per square foot.


Amelia and Elizabeth ran a marathon which was 26.2 miles. Amelia finished in 3.54 hours, while Elizabeth finished in 3.89 hours. How many miles per hour did each of them run? Round the answer to the nearest hundredth.

  • AAmelia: 8.50 mph, and Elizabeth: 7.84 mph
  • BAmelia: 0.74 mph, and Elizabeth: 0.67 mph
  • CAmelia: 7.40 mph, and Elizabeth: 6.74 mph
  • DAmelia: 74.01 mph, and Elizabeth: 67.35 mph
  • EAmelia: 7.90 mph, and Elizabeth: 7.24 mph


What is 91.6 to the nearest unit?


Charlotte’s height is 1.3 m. What is her height to the nearest meter?


What is 5.3 to the nearest centimeter?


What is 3.6 to the nearest kilogram?


Charlotte is estimating the cost of the office items in her cart. She rounds the cost of each item to the nearest dollar to make her calculations. If an item costs $1.2, to what amount will Charlotte round the item?


Round the number 0.1 to the nearest whole number.

  • A1
  • B3
  • C2
  • D0


Daniel swam the 50 m breaststroke in 33.1 seconds. How long did he swim when rounding to the nearest whole number of a second?


Natalie needs 4.9 yards of fabric to sew pillow covers. Round this measurement to the nearest yard.


David paid $7.10 for his lunch yesterday. Round this amount to the nearest dollar.

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