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Rounding for Estimation Practice

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Rounding for Estimation Practice

Students practicing rounding numbers

🎯 WALT: We Are Learning To round numbers to estimate calculations

Success Criteria:

  • I can round numbers to the nearest 10, 100, and 1000
  • I can use rounded numbers to estimate calculations
  • I can explain why my estimate is reasonable

📚 Part 1: Rounding Practice

1. Round 347 to the nearest 10:

Answer: _______

2. Round 2,684 to the nearest 100:

Answer: _______

3. Round 15,739 to the nearest 1,000:

Answer: _______

4. Which rounding is correct for 456 to the nearest 100?

400

450

500

460

🧮 Part 2: Estimation Using Rounded Numbers

5. Estimate: 289 + 156

Round 289 to nearest 100: _______

Round 156 to nearest 100: _______

Estimated answer: _______

6. A school has 847 students. About how much would it cost to buy each student a $12 book?

Round 847 to nearest 100: _______

Estimated cost: _______ × $12 = $_______

7. Estimate: 4,235 - 1,789

Round to nearest 1,000: _______ - _______ = _______

8. A bakery sold 678 meat pies and 423 sausage rolls. Estimate the total items sold.

💭 Part 3: Explain Your Thinking

9. Sarah estimated 392 + 517 as 900. Explain how she got this estimate and whether it's reasonable.
10. Choose the best estimate for 7,845 + 2,134:

9,000

10,000

11,000

8,000

Explain your choice: ________________________________

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