Number Names up to 1000
Number names are the words we use to say or write numbers. In Class 3, students learn to read and write number names for all numbers up to 1000. This includes 1-digit, 2-digit, and 3-digit numbers.
Knowing number names is essential for writing numbers in words on cheques, receipts, and formal documents.
What is Number Names up to 1000 - Class 3 Maths (Numbers)?
A number name is the written word form of a numeral. For example, 465 is written as four hundred sixty-five.
Key number names to know:
| Number | Name |
|---|---|
| 100 | One hundred |
| 200 | Two hundred |
| 500 | Five hundred |
| 999 | Nine hundred ninety-nine |
| 1000 | One thousand |
Types and Properties
Rules for writing number names:
- Write the hundreds part first (e.g., "three hundred").
- Then write the tens and ones part (e.g., "forty-five").
- Numbers 11-19 have special names (eleven, twelve, thirteen, ... nineteen).
- For tens, use: twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety.
- Use a hyphen between the tens and ones words (e.g., twenty-three, fifty-six).
- If tens or ones is 0, skip that part. Example: 300 = "three hundred" (not "three hundred zero").
Solved Examples
Example 1: Writing a 3-Digit Number Name
Question: Write the number name for 347.
Think:
- 3 hundreds = three hundred
- 4 tens = forty
- 7 ones = seven
Answer: Three hundred forty-seven.
Example 2: Number Name with Zero in Tens
Question: Write the number name for 506.
Think:
- 5 hundreds = five hundred
- 0 tens = skip
- 6 ones = six
Answer: Five hundred six.
Example 3: Number Name with Zero in Ones
Question: Write the number name for 730.
Think:
- 7 hundreds = seven hundred
- 3 tens = thirty
- 0 ones = skip
Answer: Seven hundred thirty.
Example 4: Writing Numbers from Names
Question: Write the numeral for "eight hundred ninety-two".
Think:
- Eight hundred = 800
- Ninety = 90
- Two = 2
- Total = 800 + 90 + 2 = 892
Answer: 892.
Example 5: Special Names (11-19)
Question: Write the number name for 415.
Think:
- 4 hundreds = four hundred
- 15 = fifteen (special name)
Answer: Four hundred fifteen.
Example 6: Number Name for Round Hundreds
Question: Write the number name for 600.
Think:
- 6 hundreds, 0 tens, 0 ones
Answer: Six hundred.
Example 7: Number Name for 1000
Question: Write the number name for 1000.
Answer: One thousand.
Example 8: Identifying the Number from a Name
Question: Ria writes "nine hundred eleven" on her homework. What number is this?
Think:
- Nine hundred = 900
- Eleven = 11
- Total = 900 + 11 = 911
Answer: 911.
Example 9: Comparing Number Names
Question: Which is greater: "four hundred fifty" or "four hundred fifteen"?
Think:
- Four hundred fifty = 450
- Four hundred fifteen = 415
- 450 > 415
Answer: Four hundred fifty (450) is greater.
Key Points to Remember
- Number names are words used to express numbers: 245 = two hundred forty-five.
- Numbers 11-19 have special names: eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen.
- Use a hyphen for two-word tens-ones names: twenty-one, sixty-eight, etc.
- When a digit is 0, skip its name. Example: 708 = seven hundred eight (not seven hundred zero eight).
- Round hundreds (100, 200, ..., 900) are written as "one hundred", "two hundred", etc.
- 1000 = one thousand.
- Reading names left to right: hundreds first, then tens, then ones.
Practice Problems
- Write the number name for 263.
- Write the number name for 809.
- Write the numeral for "seven hundred forty-three".
- Write the number name for 550.
- Write the numeral for "one hundred twelve".
- Which is greater: "six hundred ninety" or "six hundred nine"? Write both as numerals.
- Write number names for 100, 500, and 1000.
Frequently Asked Questions
Q1. How do you write the number name for a 3-digit number?
Write the hundreds part first, then the tens and ones. For example, 478 = four hundred seventy-eight.
Q2. What are the special number names between 11 and 19?
Eleven (11), twelve (12), thirteen (13), fourteen (14), fifteen (15), sixteen (16), seventeen (17), eighteen (18), nineteen (19). These have unique names.
Q3. How do you write a number name when there is a zero?
Skip the zero place. For 305, write 'three hundred five' (not 'three hundred zero five'). For 720, write 'seven hundred twenty'.
Q4. When do you use a hyphen in number names?
Use a hyphen for two-part tens-ones numbers from 21 to 99 (except round tens): twenty-one, thirty-four, sixty-eight, ninety-nine.
Q5. What is the number name for 1000?
One thousand.
Q6. How do you convert a number name back to a numeral?
Break the name into hundreds, tens, and ones, then add. 'Six hundred thirty-two' = 600 + 30 + 2 = 632.
Q7. Why is learning number names important?
Number names are used on cheques, receipts, and official forms. They also help in reading numbers aloud and understanding place value.
Q8. Are number names up to 1000 covered in NCERT Class 3?
Yes. Reading and writing number names for numbers up to 1000 is part of the Numbers chapter in NCERT Class 3 Maths.
