Writing Numbers worksheet for children aged 8-9, practicing converting numbers from words to digits and vice versa.

Problem Explanation:

The task involves two parts:
1. Converting number names (words) into digits.
2. Converting numbers in digits into their word forms.

Let's solve each part step by step.

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Part 1: Converting Number Names to Digits

#### Question 1: One thousand four hundred and seventy one
- Breakdown:
- "One thousand" = 1000
- "Four hundred" = 400
- "Seventy one" = 71
- Combine: \( 1000 + 400 + 71 = 1471 \)
- Answer: 1471

#### Question 2: Five hundred and twenty two
- Breakdown:
- "Five hundred" = 500
- "Twenty two" = 22
- Combine: \( 500 + 22 = 522 \)
- Answer: 522

#### Question 3: Two hundred ten thousand, eighty three
- Breakdown:
- "Two hundred ten thousand" = 210,000
- "Eighty three" = 83
- Combine: \( 210,000 + 83 = 210,083 \)
- Answer: 210,083

#### Question 4: Thirty three thousand six hundred and ninety nine
- Breakdown:
- "Thirty three thousand" = 33,000
- "Six hundred" = 600
- "Ninety nine" = 99
- Combine: \( 33,000 + 600 + 99 = 33,699 \)
- Answer: 33,699

#### Question 5: One thousand, four hundred and fifty three
- Breakdown:
- "One thousand" = 1000
- "Four hundred" = 400
- "Fifty three" = 53
- Combine: \( 1000 + 400 + 53 = 1453 \)
- Answer: 1453

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Part 2: Converting Numbers in Digits to Words

#### Question 1: 854
- Breakdown:
- 854 = 800 + 50 + 4
- "800" = Eight hundred
- "50" = Fifty
- "4" = Four
- Combine: Eight hundred fifty four
- Answer: Eight hundred fifty four

#### Question 2: 22,454
- Breakdown:
- 22,454 = 22,000 + 400 + 50 + 4
- "22,000" = Twenty two thousand
- "400" = Four hundred
- "50" = Fifty
- "4" = Four
- Combine: Twenty two thousand four hundred fifty four
- Answer: Twenty two thousand four hundred fifty four

#### Question 3: 1,690
- Breakdown:
- 1,690 = 1,000 + 600 + 90
- "1,000" = One thousand
- "600" = Six hundred
- "90" = Ninety
- Combine: One thousand six hundred ninety
- Answer: One thousand six hundred ninety

#### Question 4: 223,328
- Breakdown:
- 223,328 = 223,000 + 300 + 20 + 8
- "223,000" = Two hundred twenty three thousand
- "300" = Three hundred
- "20" = Twenty
- "8" = Eight
- Combine: Two hundred twenty three thousand three hundred twenty eight
- Answer: Two hundred twenty three thousand three hundred twenty eight

#### Question 5: 2,367
- Breakdown:
- 2,367 = 2,000 + 300 + 60 + 7
- "2,000" = Two thousand
- "300" = Three hundred
- "60" = Sixty
- "7" = Seven
- Combine: Two thousand three hundred sixty seven
- Answer: Two thousand three hundred sixty seven

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Final Answers:

1. Part 1:
- 1. 1471
- 2. 522
- 3. 210,083
- 4. 33,699
- 5. 1453

2. Part 2:
- 1. Eight hundred fifty four
- 2. Twenty two thousand four hundred fifty four
- 3. One thousand six hundred ninety
- 4. Two hundred twenty three thousand three hundred twenty eight
- 5. Two thousand three hundred sixty seven

Boxed Final Answer:
\[
\boxed{
\begin{array}{ll}
\text{Part 1:} & 1. 1471, 2. 522, 3. 210,083, 4. 33,699, 5. 1453 \\
\text{Part 2:} & 1. \text{Eight hundred fifty four}, 2. \text{Twenty two thousand four hundred fifty four}, \\
& 3. \text{One thousand six hundred ninety}, 4. \text{Two hundred twenty three thousand three hundred twenty eight}, \\
& 5. \text{Two thousand three hundred sixty seven}
\end{array}
}
\]