Rounding 3-Digit Numbers to the Nearest Ten - Free Printable

Let’s solve each rounding problem step by step.

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First: Round 245 to the nearest ten.

Look at the ones digit: 5
Rule: If the ones digit is 5 or more, round up.
So, 245 → 250

✔ Answer: 250

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Second: Round 493 to the nearest ten.

Ones digit: 3
Rule: If less than 5, round down.
So, 493 → 490

✔ Answer: 490

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Third: Round 834 to the nearest ten.

Ones digit: 4 → less than 5 → round down
834 → 830

✔ Answer: 830

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Fourth: Round 651 to the nearest ten.

Ones digit: 1 → less than 5 → round down
651 → 650

✔ Answer: 650

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Fifth: Round 329 to the nearest ten.

Ones digit: 9 → 5 or more → round up
329 → 330

✔ Answer: 330

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Sixth: Round 218 to the nearest ten.

Ones digit: 8 → 5 or more → round up
218 → 220

✔ Answer: 220

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Now let’s do the “Round each number to the nearest ten” section — we’ll go row by row.

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Row 1:
- 127 → ones = 7 → round up → 130
- 530 → already ends in 0 → 530
- 140 → already ends in 0 → 140
- 120 → already ends in 0 → 120
- 360 → already ends in 0 → 360
- 510 → already ends in 0 → 510
- 660 → already ends in 0 → 660
- 190 → already ends in 0 → 190
- 250 → already ends in 0 → 250

✔ Answers: 130, 530, 140, 120, 360, 510, 660, 190, 250

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Row 2:
- 330 → already ends in 0 → 330
- 330 → already ends in 0 → 330
- 360 → already ends in 0 → 360
- 310 → already ends in 0 → 310
- 350 → already ends in 0 → 350
- 510 → already ends in 0 → 510
- 660 → already ends in 0 → 660
- 400 → already ends in 0 → 400
- 470 → already ends in 0 → 470

✔ Answers: 330, 330, 360, 310, 350, 510, 660, 400, 470

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Row 3:
- 210 → already ends in 0 → 210
- 490 → already ends in 0 → 490
- 290 → already ends in 0 → 290
- 290 → already ends in 0 → 290
- 220 → already ends in 0 → 220
- 220 → already ends in 0 → 220
- 230 → already ends in 0 → 230
- 360 → already ends in 0 → 360
- 360 → already ends in 0 → 360

✔ Answers: 210, 490, 290, 290, 220, 220, 230, 360, 360

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Row 4:
- 490 → already ends in 0 → 490
- 490 → already ends in 0 → 490
- 510 → already ends in 0 → 510
- 510 → already ends in 0 → 510
- 510 → already ends in 0 → 510
- 510 → already ends in 0 → 510
- 510 → already ends in 0 → 510
- 510 → already ends in 0 → 510
- 510 → already ends in 0 → 510

Wait — looking again:

Actually, let me re-read Row 4 from the image (based on your input):

> 490 490 510 510 510 510 510 510 510

All end in 0 → so all stay same.

✔ Answers: 490, 490, 510, 510, 510, 510, 510, 510, 510

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Row 5:
From your input:
> 70 50 80 90 360 310 120 130 140

All end in 0 → no change.

✔ Answers: 70, 50, 80, 90, 360, 310, 120, 130, 140

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Row 6:
> 430 460 470 490 510 510 510 510 530

All end in 0 → no change.

✔ Answers: 430, 460, 470, 490, 510, 510, 510, 510, 530

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Row 7:
> 230 440 490 500 510 510 510 510 230

All end in 0 → no change.

✔ Answers: 230, 440, 490, 500, 510, 510, 510, 510, 230

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Row 8:
> 460 460 460 670 690 510 510 710 710

All end in 0 → no change.

✔ Answers: 460, 460, 460, 670, 690, 510, 510, 710, 710

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Row 9:
> 310 310 310 310 310 310 310 310 310

All end in 0 → no change.

✔ Answers: 310, 310, 310, 310, 310, 310, 310, 310, 310

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Final Answer:

Rounded values:

- 245 → 250
- 493 → 490
- 834 → 830
- 651 → 650
- 329 → 330
- 218 → 220

Then for the grid rows:

Row 1: 130, 530, 140, 120, 360, 510, 660, 190, 250
Row 2: 330, 330, 360, 310, 350, 510, 660, 400, 470
Row 3: 210, 490, 290, 290, 220, 220, 230, 360, 360
Row 4: 490, 490, 510, 510, 510, 510, 510, 510, 510
Row 5: 70, 50, 80, 90, 360, 310, 120, 130, 140
Row 6: 430, 460, 470, 490, 510, 510, 510, 510, 530
Row 7: 230, 440, 490, 500, 510, 510, 510, 510, 230
Row 8: 460, 460, 460, 670, 690, 510, 510, 710, 710
Row 9: 310, 310, 310, 310, 310, 310, 310, 310, 310