Worksheet: Rounding Numbers with Three Decimal Places

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In this worksheet, we will practice rounding decimals with up to three decimal places to the nearest hundredth, tenth, whole number, or ten.

Q1:

Round 83.232 to the nearest hundredth.

Q2:

Round 0.53157 to the nearest hundredth.

Q3:

Round 7.382 to the nearest hundredth.

Q4:

Round 93.7963 to the nearest thousandth.

Q5:

Is it true that to the nearest hundredth?

Ano
Byes

Q6:

Complete the table below as in the solved example.

Number	Number Rounded to the Nearest Unit	Number Rounded to the Nearest Tenth	Number Rounded to the Nearest Hundredth	Number Rounded to the Nearest Thousandth
925.5376	926	925.5	925.54	925.538
259.4519

A258, 259.4, 259.44, 259.451
B260, 259.6, 259.46, 259.453
C259, 259.5, 259.6, 259.45
D259, 259.5, 259.45, 259.452
E259, 259.5, 259.5, 259.46

Q7:

Black pepper costs $0.1741 per ounce. Round the price to the nearest cent.

Q8:

Round 50.071 to hundredth.

Q9:

Round 29.8413 to the nearest thousandth.

Q10:

Which of the following is the number that would be 37.7 when rounded to the nearest tenth, 37.74 when rounded to the nearest hundredth, and 37.743 when rounded to the nearest thousandth?

A37.8431
B37.7436
C37.7531
D37.7431

Q11:

Alaska has the longest coastline in the United States at about miles. Florida has about miles of coastline. How many times more coastline does Alaska have than Florida? Round your answer to one decimal place.

A 4.0 times
B 4.8 times
C 4.3 times
D 4.9 times
E 4.5 times

Q12:

Find the missing digits in the following: to the nearest hundredth.

A7, 5
B7, 7
C8, 6
D7, 6

Q13:

to the nearest 2 decimal places.

Q14:

Which of the following all become 18.41 when rounded to the nearest hundredth?

A18.406, 18.411, 18.418
B18.401, 18.412, 18.413
C18.401, 18.409, 18.411
D18.406, 18.412, 18.413

Q15:

to the nearest 100.

Q16:

Find the missing digit in the following: to the nearest hundredth.

Q17:

to the nearest hundredth.

Q18:

The winner of the 2007 Indianapolis 500, Dario Franchitti, had an average speed of 151.774 miles per hour. Round 151.774 to the nearest ten miles per hour.

Q19:

Round 48.74 to the nearest whole number.

Q20:

The average height of an Arabian camel is 1.95 m. Round this to the nearest meter.

Q21:

Amir, Fady, and Nader are buying new smartphones. Amir bought his on sale for $206.51, Fady bought his for $227.34, and Nader bought his for $247.41. Round each smartphone’s price to the nearest dollar.

AAmir’s smartphone: $207, Fady’s smartphone: $226, Nader’s smartphone: $246
BAmir’s smartphone: $207, Fady’s smartphone: $228, Nader’s smartphone: $248
CAmir’s smartphone: $210, Fady’s smartphone: $230, Nader’s smartphone: $250
DAmir’s smartphone: $207, Fady’s smartphone: $227, Nader’s smartphone: $247
EAmir’s smartphone: $220, Fady’s smartphone: $240, Nader’s smartphone: $260