Printable worksheet for practicing rounding decimals to the nearest tenth, hundredth, and thousandth.

Let’s go through each section one by one.

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Section 1: Round to the Nearest Tenth

We look at the hundredths place (second digit after decimal) to decide whether to round up or keep the tenths digit.

1) 8.326 → hundredths is 2 → less than 5 → keep tenths → 8.3
2) 6.998 → hundredths is 9 → ≥5 → round up tenths (9+1=10, so carry over) → 7.0
3) 9.83 → hundredths is 3 → <5 → keep tenths → 9.8
4) 51.711 → hundredths is 1 → <5 → keep tenths → 51.7
5) 687.817 → hundredths is 1 → <5 → keep tenths → 687.8
6) 19.07 → hundredths is 7 → ≥5 → round up tenths (0+1=1) → 19.1
7) 432.080 → hundredths is 8 → ≥5 → round up tenths (0+1=1) → 432.1
8) 483.37 → hundredths is 7 → ≥5 → round up tenths (3+1=4) → 483.4
9) 59.42 → hundredths is 2 → <5 → keep tenths → 59.4

✔ All checked.

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Section 2: Round to the Nearest Hundredth

Look at the thousandths place (third digit after decimal).

1) 84.744 → thousandths is 4 → <5 → keep hundredths → 84.74
2) 6.883 → thousandths is 3 → <5 → keep hundredths → 6.88
3) 308.817 → thousandths is 7 → ≥5 → round up hundredths (1+1=2) → 308.82
4) 66.663 → thousandths is 3 → <5 → keep hundredths → 66.66
5) 399.839 → thousandths is 9 → ≥5 → round up hundredths (3+1=4) → 399.84
6) 409.723 → thousandths is 3 → <5 → keep hundredths → 409.72
7) 7.450 → thousandths is 0 → <5 → keep hundredths → 7.45
8) 117.855 → thousandths is 5 → ≥5 → round up hundredths (5+1=6) → 117.86
9) 66.935 → thousandths is 5 → ≥5 → round up hundredths (3+1=4) → 66.94

✔ All checked.

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Section 3: Round to the Nearest Thousandth

Look at the ten-thousandths place (fourth digit after decimal).

1) 5.0016 → ten-thousandths is 6 → ≥5 → round up thousandths (1+1=2) → 5.002
2) 6.1087 → ten-thousandths is 7 → ≥5 → round up thousandths (8+1=9) → 6.109
3) 56.3008 → ten-thousandths is 8 → ≥5 → round up thousandths (0+1=1) → 56.301
4) 106.7128 → ten-thousandths is 8 → ≥5 → round up thousandths (2+1=3) → 106.713
5) 4.6687 → ten-thousandths is 7 → ≥5 → round up thousandths (8+1=9) → 4.669
6) 49.9376 → ten-thousandths is 6 → ≥5 → round up thousandths (7+1=8) → 49.938
7) 856.3981 → ten-thousandths is 1 → <5 → keep thousandths → 856.398
8) 69.6009 → ten-thousandths is 9 → ≥5 → round up thousandths (0+1=1) → 69.601
9) 73.7896 → ten-thousandths is 6 → ≥5 → round up thousandths (9+1=10 → carry over) → 73.790

✔ All checked.

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Final Answer:

Rounding to the nearest tenth:
1) 8.3
2) 7.0
3) 9.8
4) 51.7
5) 687.8
6) 19.1
7) 432.1
8) 483.4
9) 59.4

Rounding to the nearest hundredth:
1) 84.74
2) 6.88
3) 308.82
4) 66.66
5) 399.84
6) 409.72
7) 7.45
8) 117.86
9) 66.94

Rounding to the nearest thousandth:
1) 5.002
2) 6.109
3) 56.301
4) 106.713
5) 4.669
6) 49.938
7) 856.398
8) 69.601
9) 73.790