Estimating Products Worksheets - 15 Worksheets Library - Free Printable

You're working on a worksheet titled “Estimating Products”, which asks you to round each whole number in the multiplication problem to the nearest ten and nearest hundred, then write those rounded numbers in the appropriate columns.

Note: The worksheet does not ask you to multiply the rounded numbers — only to round each factor (the two numbers being multiplied) to the nearest ten and nearest hundred.

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🔢 Rounding Rules Reminder:

- Nearest Ten: Look at the ones digit.
- If it’s 0–4 → round down.
- If it’s 5–9 → round up.
- Nearest Hundred: Look at the tens digit.
- If it’s 0–4 → round down.
- If it’s 5–9 → round up.

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Let’s go row by row:

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✔ Row 1: `272 × 134`

- 272:
- Nearest Ten: Ones digit is 2 → round down → 270
- Nearest Hundred: Tens digit is 7 → round up → 300

- 134:
- Nearest Ten: Ones digit is 4 → round down → 130
- Nearest Hundred: Tens digit is 3 → round down → 100

✔ Answer for Row 1:
- Nearest Ten: 270 × 130
- Nearest Hundred: 300 × 100

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✔ Row 2: `521 × 224`

- 521:
- Nearest Ten: Ones digit is 1 → round down → 520
- Nearest Hundred: Tens digit is 2 → round down → 500

- 224:
- Nearest Ten: Ones digit is 4 → round down → 220
- Nearest Hundred: Tens digit is 2 → round down → 200

✔ Answer for Row 2:
- Nearest Ten: 520 × 220
- Nearest Hundred: 500 × 200

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✔ Row 3: `797 × 251`

- 797:
- Nearest Ten: Ones digit is 7 → round up → 800
- Nearest Hundred: Tens digit is 9 → round up → 800

- 251:
- Nearest Ten: Ones digit is 1 → round down → 250
- Nearest Hundred: Tens digit is 5 → round up → 300

✔ Answer for Row 3:
- Nearest Ten: 800 × 250
- Nearest Hundred: 800 × 300

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✔ Row 4: `662 × 561`

- 662:
- Nearest Ten: Ones digit is 2 → round down → 660
- Nearest Hundred: Tens digit is 6 → round up → 700

- 561:
- Nearest Ten: Ones digit is 1 → round down → 560
- Nearest Hundred: Tens digit is 6 → round up → 600

✔ Answer for Row 4:
- Nearest Ten: 660 × 560
- Nearest Hundred: 700 × 600

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✔ Row 5: `491 × 231`

- 491:
- Nearest Ten: Ones digit is 1 → round down → 490
- Nearest Hundred: Tens digit is 9 → round up → 500

- 231:
- Nearest Ten: Ones digit is 1 → round down → 230
- Nearest Hundred: Tens digit is 3 → round down → 200

✔ Answer for Row 5:
- Nearest Ten: 490 × 230
- Nearest Hundred: 500 × 200

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## 📝 Final Completed Table:

| Question | Nearest Ten | Nearest Hundred |
|----------------|------------------|------------------|
| 272 × 134 | 270 × 130 | 300 × 100 |
| 521 × 224 | 520 × 220 | 500 × 200 |
| 797 × 251 | 800 × 250 | 800 × 300 |
| 662 × 561 | 660 × 560 | 700 × 600 |
| 491 × 231 | 490 × 230 | 500 × 200 |

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✔ Important Note: You are only rounding the factors, not multiplying them. If the worksheet later asks you to *estimate the product*, you’d multiply the rounded numbers — but based on the instructions, this step is complete as-is.

Let me know if you want to estimate the actual products next! 😊