Class 5th Maths Worksheet 2 - Practice converting numbers to words using the International System of Numeration.

Let's solve the problem step by step.

We are asked to write the given numbers in words using the International System of Numeration. In this system, numbers are grouped into periods: ones, thousands, millions, billions, etc., with commas separating each group of three digits from right to left.

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🔹 Step-by-step Guide:

1. Break the number into groups (from right to left): ones, thousands, millions, billions.
2. Write each group in words.
3. Combine them using appropriate terms like "thousand", "million", etc.
4. Use "and" only when needed (usually before the last part, e.g., "hundred and twenty").

Now let’s solve each one:

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✔ 1. 437,941

Break it down:
- 437 → four hundred thirty-seven
- 941 → nine hundred forty-one

Group: 437 thousand 941

So:
Four hundred thirty-seven thousand nine hundred forty-one

> ✔ Answer: Four hundred thirty-seven thousand nine hundred forty-one

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✔ 2. 701,286

Break it down:
- 701 → seven hundred one
- 286 → two hundred eighty-six

Group: 701 thousand 286

So:
Seven hundred one thousand two hundred eighty-six

> ✔ Answer: Seven hundred one thousand two hundred eighty-six

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✔ 3. 8,064,200

Break it down:
- 8 → eight
- 064 → sixty-four (but we say "sixty-four thousand")
- 200 → two hundred

Group: 8 million, 64 thousand, 200

So:
Eight million sixty-four thousand two hundred

> ✔ Answer: Eight million sixty-four thousand two hundred

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✔ 4. 5,723,471

Break it down:
- 5 → five
- 723 → seven hundred twenty-three
- 471 → four hundred seventy-one

Group: 5 million, 723 thousand, 471

So:
Five million seven hundred twenty-three thousand four hundred seventy-one

> ✔ Answer: Five million seven hundred twenty-three thousand four hundred seventy-one

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✔ 5. 495,381,025

Break it down:
- 495 → four hundred ninety-five
- 381 → three hundred eighty-one
- 025 → twenty-five

Group: 495 million, 381 thousand, 25

So:
Four hundred ninety-five million three hundred eighty-one thousand twenty-five

> ✔ Answer: Four hundred ninety-five million three hundred eighty-one thousand twenty-five

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✔ 6. 2,050,060,000

Break it down:
- 2 → two
- 050 → fifty (but it's 050 million → fifty million)
- 060 → sixty thousand
- 000 → zero

So: 2 billion, 50 million, 60 thousand

But note:
- 2,050,060,000 = 2 billion + 50 million + 60 thousand

So:
Two billion fifty million sixty thousand

> ✔ Answer: Two billion fifty million sixty thousand

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✔ 7. 6,175,345,149

Break it down:
- 6 → six
- 175 → one hundred seventy-five
- 345 → three hundred forty-five
- 149 → one hundred forty-nine

Group:
6 billion, 175 million, 345 thousand, 149

So:
Six billion one hundred seventy-five million three hundred forty-five thousand one hundred forty-nine

> ✔ Answer: Six billion one hundred seventy-five million three hundred forty-five thousand one hundred forty-nine

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✔ 8. 43,900,734

Break it down:
- 43 → forty-three
- 900 → nine hundred
- 734 → seven hundred thirty-four

Group: 43 million, 900 thousand, 734

So:
Forty-three million nine hundred thousand seven hundred thirty-four

> ✔ Answer: Forty-three million nine hundred thousand seven hundred thirty-four

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✔ Final Answers:

| Number | Words |
|-------|--------|
| 437,941 | Four hundred thirty-seven thousand nine hundred forty-one |
| 701,286 | Seven hundred one thousand two hundred eighty-six |
| 8,064,200 | Eight million sixty-four thousand two hundred |
| 5,723,471 | Five million seven hundred twenty-three thousand four hundred seventy-one |
| 495,381,025 | Four hundred ninety-five million three hundred eighty-one thousand twenty-five |
| 2,050,060,000 | Two billion fifty million sixty thousand |
| 6,175,345,149 | Six billion one hundred seventy-five million three hundred forty-five thousand one hundred forty-nine |
| 43,900,734 | Forty-three million nine hundred thousand seven hundred thirty-four |

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✔ All answers follow the International System of Numeration (used in the US and most English-speaking countries), where commas separate every three digits starting from the right.

Let me know if you'd like a printable version or explanation for any specific number!