Multiplying decimal numbers by 10, 100, and 1000 worksheet with options to select correct answers.

You're working on a worksheet titled “Multiplying decimal numbers by 10, 100 and 1000”. The goal is to tick the correct answer for each multiplication problem.

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📌 Key Rule:

When you multiply a decimal number by:
- 10 → move the decimal point 1 place to the right
- 100 → move the decimal point 2 places to the right
- 1000 → move the decimal point 3 places to the right

If there aren’t enough digits, add zeros as needed.

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Let’s solve each problem one by one:

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#### ✔ 1. `4.7 × 10 =`
Move decimal 1 place right → 47.0 → 47
✔️ Correct answer: 47

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#### ✔ 2. `3.7 × 100 =`
Move decimal 2 places right → 370.0 → 370
✔️ Correct answer: 370

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#### ✔ 3. `3.6 × 1000 =`
Move decimal 3 places right → 3600.0 → 3600
✔️ Correct answer: 3600

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#### ✔ 4. `5.4 × 10 =`
Move decimal 1 place right → 54.0 → 54
✔️ Correct answer: 54

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#### ✔ 5. `9.1 × 10 =`
Move decimal 1 place right → 91.0 → 91
✔️ Correct answer: 91

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#### ✔ 6. `37.6 × 1000 =`
Move decimal 3 places right → 37600.0 → 37,600
✔️ Correct answer: 37,600

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#### ✔ 7. `6.4 × 100 =`
Move decimal 2 places right → 640.0 → 640
✔️ Correct answer: 640

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#### ✔ 8. `9.18 × 100 =`
Move decimal 2 places right → 918.0 → 918
✔️ Correct answer: 918

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#### ✔ 9. `7.82 × 10 =`
Move decimal 1 place right → 78.2
✔️ Correct answer: 78.2

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#### ✔ 10. `8.99 × 1000 =`
Move decimal 3 places right → 8990.0 → 8990
✔️ Correct answer: 8990

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#### ✔ 11. `4.7 × 10 =` (again)
Same as #1 → 47
✔️ Correct answer: 47

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#### ✔ 12. `____ × 100 = ?` — with options: 0.37, 3.7, 0.037

We need to find what number multiplied by 100 gives one of these options? But actually, this is likely meant to be:
> “What number times 100 equals 3.7?” — or similar.

Wait — let’s look again.

The box says:
`____ × 100 =`
and then lists three possible results:
→ 0.37
→ 3.7
→ 0.037

This is ambiguous, but since it’s in the context of multiplying decimals by 100, and the other problems are asking for the result, this is likely a reverse question:
> Which number, when multiplied by 100, gives 3.7?

So we solve:
`? × 100 = 3.7` → divide both sides by 100 → ? = 3.7 ÷ 100 = 0.037

✔ So the correct choice is 0.037

*(Note: This is the only reverse problem — all others are forward multiplication.)*

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## ✔ Final Answers (Tick These):

| Problem | Correct Answer |
|----------------------|----------------|
| 4.7 × 10 | 47 |
| 3.7 × 100 | 370 |
| 3.6 × 1000 | 3600 |
| 5.4 × 10 | 54 |
| 9.1 × 10 | 91 |
| 37.6 × 1000 | 37,600 |
| 6.4 × 100 | 640 |
| 9.18 × 100 | 918 |
| 7.82 × 10 | 78.2 |
| 8.99 × 1000 | 8990 |
| 4.7 × 10 (again) | 47 |
| ____ × 100 = ? | 0.037 |

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✔ You can now confidently tick those answers on your worksheet!

Let me know if you want a printable version or explanation with visuals!