Worksheet: Rounding Decimals

This worksheet will help you practice rounding decimal numbers to the nearest tenth and hundredth in real-world problems using number lines and tables.

Q1:

Round 0.79 to the nearest tenth.

Q2:

Round 4.93 to the nearest tenth.

Q3:

Round 83.232 to the nearest hundredth.

Q4:

Round 0.53157 to the nearest hundredth.

Q5:

Round 38.7793 to the nearest hundredth.

Q6:

Round 0.48273 to the nearest thousandth.

Q7:

Round 93.7963 to the nearest thousandth.

Q8:

Is it true that to the nearest hundredth?

Ano
Byes

Q9:

Which of the following decimals does not belong with the others when rounded to the nearest tenth?

A4.49
B4.57
C4.51
D4.53

Q10:

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

A259, 259.5, 259.5, 259.46
B259, 259.5, 259.6, 259.45
C259, 259.5, 259.45, 259.452
D258, 259.4, 259.44, 259.451
E260, 259.6, 259.46, 259.453

Q11:

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

Q12:

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?

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

Q13:

Round 50.071 to hundredth.

Q14:

Round 29.8413 to the nearest thousandth.

Q15:

The 100-metre dash times for the Jackson Middle School boys’ track team are shown in the table.

Runner	Daniel	Jacob	James	Noah
Time (s)	11.92	11.96	11.84	11.87

To the nearest tenth, what is the time for each runner?

A11.9 s, 12 s, 11.9 s, 11.9 s
B11.9 s, 11.9 s, 11.8 s, 11.8 s
C11.9 s, 12 s, 11.8 s, 11.9 s
D12 s, 12 s, 12 s, 12 s
E11.2 s, 11.6 s, 11.4 s, 11.7 s

Q16:

Alaska has the longest coastline in the United States at about 6.64 thousand miles. Florida has about 1.35 thousand miles of coastline. How many times more coastline does Alaska have than Florida? Round your answer to one decimal place.

Q17:

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

ALiam’s smartphone: $220, Michael’s smartphone: $240, Mason’s smartphone: $260
BLiam’s smartphone: $210, Michael’s smartphone: $230, Mason’s smartphone: $250
CLiam’s smartphone: $207, Michael’s smartphone: $227, Mason’s smartphone: $247
DLiam’s smartphone: $207, Michael’s smartphone: $226, Mason’s smartphone: $246
ELiam’s smartphone: $207, Michael’s smartphone: $228, Mason’s smartphone: $248

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