Number Names for Large Numbers
Writing number names for large numbers means expressing numerals in words. In Class 4, you learn to read and write number names for 4-digit and 5-digit numbers using the Indian number system.
Knowing number names is essential for writing cheques, reading population data, and understanding prices. For example, ₹45,250 is written as "Forty-five thousand two hundred and fifty."
What is Number Names for Large Numbers - Class 4 Maths (Large Numbers)?
A number name is the word form of a numeral. To write the number name, break the number according to its place values and write each part in words.
Indian system place names:
| Place | Ten-Thousands | Thousands | Hundreds | Tens | Ones |
|---|---|---|---|---|---|
| Value | 10,000 | 1,000 | 100 | 10 | 1 |
Steps to write number names:
- Start from the leftmost digit.
- Read the ten-thousands and thousands together as "_____ thousand."
- Read the hundreds as "_____ hundred."
- Read the tens and ones together.
- Use "and" before the last part if there are hundreds.
Solved Examples
Example 1: Example 1: 5-digit Number Name
Problem: Write the number name for 34,567.
Solution:
Step 1: 34 thousand → Thirty-four thousand
Step 2: 5 hundreds → five hundred
Step 3: 67 → sixty-seven
Answer: Thirty-four thousand five hundred and sixty-seven
Example 2: Example 2: Number with Zeros
Problem: Write the number name for 50,008.
Solution:
Step 1: 50 thousand → Fifty thousand
Step 2: 0 hundreds, 0 tens → skip these
Step 3: 8 ones → eight
Answer: Fifty thousand and eight
Example 3: Example 3: Writing Numeral from Name
Problem: Write the numeral for "Seventy-two thousand three hundred and forty-one."
Solution:
Step 1: Seventy-two thousand = 72,000
Step 2: Three hundred and forty-one = 341
Step 3: 72,000 + 341 = 72,341
Answer: 72,341
Example 4: Example 4: 4-digit Number Name
Problem: Write the number name for 6,089.
Solution:
Step 1: 6 thousand → Six thousand
Step 2: 0 hundreds → skip
Step 3: 89 → eighty-nine
Answer: Six thousand and eighty-nine
Example 5: Example 5: Largest 5-digit Number
Problem: Write the number name for 99,999.
Solution:
99 thousand → Ninety-nine thousand
9 hundred → nine hundred
99 → ninety-nine
Answer: Ninety-nine thousand nine hundred and ninety-nine
Example 6: Example 6: Round Thousands
Problem: Write the number name for 40,000.
Solution:
40 thousand → Forty thousand
No hundreds, tens, or ones.
Answer: Forty thousand
Example 7: Example 7: Word Problem
Problem: Aman's father bought a washing machine for ₹23,750. Write this amount in words.
Solution:
23 thousand → Twenty-three thousand
7 hundred → seven hundred
50 → fifty
Answer: Twenty-three thousand seven hundred and fifty rupees
Example 8: Example 8: Number Name to Numeral
Problem: Write the numeral: "Eighty-six thousand and five."
Solution:
Step 1: Eighty-six thousand = 86,000
Step 2: And five = 5
Step 3: 86,000 + 5 = 86,005
Answer: 86,005
Example 9: Example 9: One Lakh
Problem: Write the number name for 1,00,000.
Solution:
In the Indian system, 1,00,000 is read as:
Answer: One lakh
(In the international system, it is "One hundred thousand.")
Real-World Applications
Where do we use number names?
- Bank cheques: The amount must be written in both numerals and words (e.g., ₹45,000 = Forty-five thousand).
- Bills and receipts: Shops and offices often write amounts in words for clarity.
- Reading news: Population figures, budgets, and scores are expressed in words.
- School reports: Total marks or attendance may be written in words.
Key Points to Remember
- Break the number by place values: ten-thousands, thousands, hundreds, tens, ones.
- Read the ten-thousands and thousands digits together as "_____ thousand."
- Use "and" before the tens-ones part when hundreds are present.
- Skip any place that has a zero (do not say "zero hundred").
- 1,00,000 is "One lakh" in the Indian system.
- Hyphenate numbers from 21-99 (e.g., twenty-one, thirty-five, ninety-nine).
Practice Problems
- Write the number name for 58,203.
- Write the numeral for "Sixty-one thousand four hundred and twelve."
- Write the number name for 70,060.
- Priya's school has 15,800 books in its library. Write this in words.
- Write the number name for 99,001.
- Write the numeral for "Forty thousand and nine."
- Write the number name for 1,00,000 in both Indian and International systems.
Frequently Asked Questions
Q1. How do you write number names for 5-digit numbers?
Break the number into thousands and the remaining part. Read the first two digits as '_____ thousand' and then read the hundreds, tens, and ones normally. For example, 45,321 is Forty-five thousand three hundred and twenty-one.
Q2. When do you use 'and' in a number name?
Use 'and' before the tens and ones part when there is a hundreds digit. For example, 6,205 is 'Six thousand two hundred and five.' If there are no hundreds, use 'and' after thousand: 6,005 is 'Six thousand and five.'
Q3. How do you handle zeros in number names?
Skip any place that has zero. Do not say 'zero hundred' or 'zero tens.' For example, 30,040 is 'Thirty thousand and forty' — the hundreds place (0) is skipped.
Q4. What is 1,00,000 in words?
1,00,000 is 'One lakh' in the Indian system and 'One hundred thousand' in the International system.
Q5. Why are number names important?
Number names are used in writing cheques, legal documents, bills, and formal communication. They help avoid confusion that can arise from misreading numerals.
Q6. How do you write the number name for a round thousand?
Simply write the thousands part. For example, 20,000 is 'Twenty thousand' and 85,000 is 'Eighty-five thousand.' No hundreds, tens, or ones are mentioned.
Q7. What is the difference between Indian and International number names?
The Indian system uses 'lakh' (1,00,000) and 'crore' (1,00,00,000). The International system uses 'hundred thousand' and 'million.' At the 5-digit level, both systems read numbers the same way.
Q8. Do number names use hyphens?
Yes, compound numbers from twenty-one to ninety-nine use hyphens. For example, 47 is 'forty-seven,' not 'forty seven.'
Related Topics
- 4-Digit Numbers
- 5-Digit Numbers
- Place Value of 4-Digit Numbers
- Expanded Form of 4-Digit Numbers
- Place Value of 5-Digit Numbers
- Comparing Large Numbers (Grade 4)
- Ordering Large Numbers (Grade 4)
- Rounding Numbers (Grade 4)
- Estimation (Grade 4)
- Roman Numerals (I to C)
- Numbers up to 1,00,000
- Predecessor and Successor (Grade 4)
