Numbers up to 1000
In Class 3, students work with numbers up to 1000. This includes all 1-digit numbers (1–9), 2-digit numbers (10–99), and 3-digit numbers (100–999). The number 1000 is the smallest 4-digit number.
Students learn to count, read, write, compare, and order these numbers. They also learn about place value, number names, and patterns in numbers up to 1000.
What is Numbers up to 1000 - Class 3 Maths (Numbers up to 1000)?
Numbers up to 1000 include all whole numbers from 0 to 999, and the number 1000 itself. These numbers use the digits 0 through 9 arranged in up to four places.
| Type | Range | How many? |
|---|---|---|
| 1-digit | 1 to 9 | 9 |
| 2-digit | 10 to 99 | 90 |
| 3-digit | 100 to 999 | 900 |
| 4-digit (first) | 1000 | 1 |
The number 1000 is read as "one thousand" and is written as 1 in the thousands place followed by three zeros.
Types and Properties
Key milestones in counting to 1000:
- Counting by 1s: 998, 999, 1000
- Counting by 10s: 970, 980, 990, 1000
- Counting by 100s: 700, 800, 900, 1000
Important number landmarks:
- 100 — first 3-digit number
- 500 — midpoint between 0 and 1000
- 999 — last 3-digit number
- 1000 — first 4-digit number
Solved Examples
Example 1: Counting Forward from a 3-Digit Number
Question: Count forward by 1 from 396 to 402.
Think:
- 396, 397, 398, 399, 400, 401, 402
- Notice: after 399 comes 400 (a new hundred)
Answer: 396, 397, 398, 399, 400, 401, 402
Example 2: Counting Backward
Question: Count backward by 1 from 505 to 498.
Think:
- 505, 504, 503, 502, 501, 500, 499, 498
- Notice: after 500 going backward comes 499
Answer: 505, 504, 503, 502, 501, 500, 499, 498
Example 3: Writing Number Names
Question: Write the number name for 758.
Think:
- 7 hundreds = seven hundred
- 5 tens = fifty
- 8 ones = eight
Answer: Seven hundred fifty-eight
Example 4: Writing Numerals from Number Names
Question: Write the numeral for "four hundred six."
Think:
- Four hundred = 400
- Six = 6
- No tens mentioned → 0 in the tens place
- 400 + 0 + 6 = 406
Answer: 406
Example 5: Counting by 10s
Question: Count by 10s from 860 to 930.
Think:
- 860, 870, 880, 890, 900, 910, 920, 930
- Each step adds 10
Answer: 860, 870, 880, 890, 900, 910, 920, 930
Example 6: Counting by 100s
Question: Count by 100s from 200 to 1000.
Think:
- 200, 300, 400, 500, 600, 700, 800, 900, 1000
- Each step adds 100
Answer: 200, 300, 400, 500, 600, 700, 800, 900, 1000
Example 7: Word Problem — Pages in a Book
Question: Meera's textbook has pages numbered from 1 to 385. How many pages does the book have?
Think:
- The pages go from 1 to 385
- Total pages = 385
Answer: The book has 385 pages.
Example 8: Finding Numbers Between
Question: Write three numbers between 497 and 502.
Think:
- Numbers after 497: 498, 499, 500, 501
- Pick any three: 498, 499, 500
Answer: 498, 499, 500 (other valid answers: 499, 500, 501)
Example 9: Word Problem — Seats in a Hall
Question: A school hall has 10 rows with 100 chairs in each row. How many chairs are there in total?
Think:
- 10 rows × 100 chairs = 1000 chairs
Answer: There are 1000 chairs in the hall.
Example 10: What Comes Just Before 1000?
Question: What number comes just before 1000?
Think:
- 1000 − 1 = 999
- 999 is the predecessor of 1000
Answer: 999 comes just before 1000.
Real-World Applications
Where do we use numbers up to 1000?
- School: Many schools have between 100 and 1000 students. Tracking attendance, marks, and supplies involves numbers in this range.
- Money: Pocket money, small purchases, and daily expenses usually fall between ₹100 and ₹1000. Meera's monthly pocket money is ₹500.
- Distance: Short trips are measured in hundreds of metres or a few kilometres. A walk around the school ground is about 400 metres.
- Weight: Grocery items like rice, flour, and sugar are measured in grams. A packet may weigh 500 g or 750 g — both numbers up to 1000.
- Time: There are 365 days in a year and 366 in a leap year — both are 3-digit numbers.
- Counting collections: Stamp collections, marble collections, and sticker albums often reach the hundreds.
Numbers up to 1000 are everywhere in a Class 3 student's world. Mastering them is the foundation for working with thousands and lakhs in later classes.
Key Points to Remember
- Numbers up to 1000 include 1-digit, 2-digit, and 3-digit numbers plus 1000 itself.
- The smallest 3-digit number is 100; the largest is 999.
- 1000 (one thousand) is the first 4-digit number.
- You can count by 1s, 10s, or 100s to reach 1000.
- Every number has a number name (e.g., 758 = seven hundred fifty-eight).
- Place value helps us read and write any number up to 1000.
Practice Problems
- Count by 1 from 695 to 705.
- Write the number name for 920.
- Write the numeral for 'six hundred twelve.'
- Count by 10s from 950 to 1000.
- What is the number just before 800?
- How many 3-digit numbers are there?
- Arjun counted by 100s: 100, 200, ___, ___, 500. Fill in the blanks.
Frequently Asked Questions
Q1. What is the largest number up to 1000?
The largest number in this range is 1000 itself. The largest 3-digit number is 999.
Q2. How many numbers are there from 1 to 1000?
There are 1000 numbers from 1 to 1000 (including both 1 and 1000).
Q3. Is 1000 a 3-digit number?
No. 1000 has four digits, so it is a 4-digit number. The 3-digit numbers end at 999.
Q4. How do you count by 10s near 1000?
Count: 960, 970, 980, 990, 1000. Each step adds 10 to the previous number.
Q5. What are the place values in a 3-digit number?
From left to right: hundreds (worth 100 each), tens (worth 10 each), and ones (worth 1 each). For example, in 548: 5 hundreds = 500, 4 tens = 40, 8 ones = 8.
Q6. What is the number name for 1000?
One thousand. It is written as 1000 and consists of 1 in the thousands place and 0 in the hundreds, tens, and ones places.
Q7. Why do we learn numbers up to 1000 in Class 3?
Numbers up to 1000 are used in everyday life — prices, distances, weights, and scores. Mastering these numbers prepares students for 4-digit and 5-digit numbers in higher classes.
Q8. How do you write 'three hundred five' as a numeral?
305. There are 3 hundreds, 0 tens, and 5 ones. The zero in the tens place is important — without it, the number would not be correct.
Related Topics
- 3-Digit Numbers
- Skip Counting (Grade 3)
- Place Value of 3-Digit Numbers
- Expanded Form of 3-Digit Numbers
- Comparing 3-Digit Numbers
- Ordering 3-Digit Numbers
- Rounding to Nearest 10 and 100
- Estimation (Grade 3)
- Roman Numerals (I to XX)
- Introduction to 4-Digit Numbers
- Number Names up to 1000
- Successor and Predecessor
