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Rounding to Millions Challenge

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Rounding to Millions Challenge

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🎯 WALT (We Are Learning To)

Round numbers to the nearest million

Success Criteria:

✓ I can identify the millions place in a number

✓ I can look at the hundred thousands digit to decide whether to round up or down

✓ I can round numbers to the nearest million accurately

✓ I can apply rounding to real-world problems

📊 Part 1: Round to the Nearest Million

1. Round 3,456,789 to the nearest million.

3,000,000

4,000,000

3,500,000

2. Round 8,721,345 to the nearest million.

8,000,000

9,000,000

8,700,000

3. Round 12,499,999 to the nearest million.

Answer: ________________

4. Round 67,500,000 to the nearest million.

Answer: ________________

5. Show your working for question 4:

🌟 Part 2: Real-World Problems

6. The population of New Zealand is approximately 5,184,000 people. Round this to the nearest million.

Answer: ________________ people

7. A company earned $23,678,450 last year. Round their earnings to the nearest million dollars.

Answer: $________________

8. The distance from Earth to Mars is about 78,340,000 kilometres. Round this distance to the nearest million kilometres.

Answer: ________________ kilometres

9. Explain in your own words how you decide whether to round up or down when rounding to the nearest million.

🚀 Extension Challenge (Advanced Learners)

10. If a number rounds to 15,000,000 when rounded to the nearest million, what is the smallest and largest whole number it could be?

Smallest: ________________

Largest: ________________

📖 

Key Words:

Million = 1,000,000 (six zeros)

Round up = make the number bigger

Round down = make the number smaller

• Look at the hundred thousands digit (6th digit from right)

• If it's 5 or more → round UP

• If it's 4 or less → round DOWN

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