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What is Less Than One Thousand?
Grade Level:
Pre-School – Class 2
All domains without exception
Definition
What is it?
Numbers that are 'Less Than One Thousand' are all the numbers that come before 1000 when you count upwards. This means any number from zero up to 999. It helps us compare numbers and understand their size relative to 1000.
Simple Example
Quick Example
Imagine your school cricket team scored 150 runs in a match. Is 150 less than one thousand? Yes, because 150 comes much before 1000 when you count. If the target was 1000 runs, your team still has a lot more to score!
Worked Example
Step-by-Step
Let's check if 789 is less than 1000.
---Step 1: Understand what 'less than' means. It means the number is smaller or comes before 1000.
---Step 2: Look at the number 789. It has three digits.
---Step 3: Look at 1000. It has four digits.
---Step 4: Generally, a number with fewer digits (like 789) is smaller than a number with more digits (like 1000), assuming the leading digit isn't zero.
---Step 5: Compare 789 with 1000. We know that 789 comes much earlier in the counting sequence than 1000.
---Answer: Yes, 789 is less than 1000.
Why It Matters
Understanding 'less than' is fundamental for comparing quantities in everyday life and in advanced math. It's crucial for careers like financial analysts who compare budget numbers, engineers who work with measurements, and even shopkeepers who manage inventory and sales figures.
Common Mistakes
MISTAKE: Thinking that a number with more digits is always greater, even when comparing decimals. For example, believing 0.500 is greater than 0.70 because 0.500 has more digits. | CORRECTION: When comparing numbers, especially decimals, look at the place value of each digit from left to right. 0.70 is greater than 0.500 because 7 (in the tenths place) is greater than 5.
MISTAKE: Confusing 'less than' with 'greater than'. For example, saying 1200 is less than 1000. | CORRECTION: 'Less than' means smaller. Always check if the number comes before the other number on a number line. 1200 comes after 1000, so it is greater than 1000.
MISTAKE: Forgetting that zero is also less than 1000. | CORRECTION: Any number from 0 up to 999 is less than 1000. Zero is the smallest whole number and is definitely less than 1000.
Practice Questions
Try It Yourself
QUESTION: Is the price of a chai, which is Rs 20, less than one thousand rupees? | ANSWER: Yes, Rs 20 is less than Rs 1000.
QUESTION: Your mobile data plan gives you 750 MB per day. Is 750 MB less than 1000 MB? | ANSWER: Yes, 750 MB is less than 1000 MB.
QUESTION: An auto-rickshaw driver covered 985 km in a month. His target was to cover 1000 km. Did he cover less than 1000 km? By how much? | ANSWER: Yes, he covered less than 1000 km. He covered 15 km less (1000 - 985 = 15).
MCQ
Quick Quiz
Which of these numbers is NOT less than one thousand?
999
550
1000
100
The Correct Answer Is:
C
The correct answer is C, 1000. Numbers less than one thousand are all numbers smaller than 1000 (0 to 999). 1000 is equal to 1000, not less than it.
Real World Connection
In the Real World
When you check your bank balance on a UPI app, you often see numbers like Rs 500 or Rs 875. These amounts are less than one thousand rupees. If you are buying groceries for Rs 950, you know you need less than a thousand rupees, and you can easily pay with a few 500-rupee notes or smaller denominations.
Key Vocabulary
Key Terms
LESS THAN: Smaller in quantity or value | COMPARE: To examine two or more items to note similarities and differences | DIGIT: A single symbol used to make numbers (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) | PLACE VALUE: The value of a digit based on its position in a number.
What's Next
What to Learn Next
Now that you understand 'less than one thousand', you can explore 'greater than one thousand' and 'equal to one thousand'. This will help you master number comparisons for any number, which is very useful in topics like money and measurement.
