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What is 9 - 6?
Grade Level:
Class 1
Maths, Computing, AI
Definition
What is it?
9 - 6 is a simple subtraction problem. Subtraction means taking away a smaller number from a larger number to find out how much is left. In this case, we are taking 6 away from 9.
Simple Example
Quick Example
Imagine you have 9 ladoos in a box. Your friend eats 6 of them. How many ladoos are left for you? You started with 9, 6 were taken away, so 9 - 6 tells you how many are remaining.
Worked Example
Step-by-Step
Let's find out what is 9 - 6 using counting:
Step 1: Start with the first number, which is 9. You can imagine 9 fingers up.
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Step 2: Now, we need to subtract 6. This means we take away 6 from the 9.
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Step 3: Count backwards 6 times from 9. So, from 9, count: 8, 7, 6, 5, 4, 3.
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Step 4: The number you land on after counting back 6 times is your answer.
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Answer: So, 9 - 6 = 3.
Why It Matters
Understanding basic subtraction like 9 - 6 is crucial for many fields. In Maths, it's a building block for algebra and complex calculations. In Computing, even simple programs use subtraction for counting or managing resources. Engineers and scientists use these fundamental skills daily to solve problems and innovate.
Common Mistakes
MISTAKE: Adding the numbers instead of subtracting (9 + 6 = 15). | CORRECTION: Remember the minus sign '-' means to take away, not to add.
MISTAKE: Counting backwards incorrectly or skipping numbers (e.g., 9, 8, 7, 5, 4, 3, missing 6). | CORRECTION: Count carefully, one number at a time, to avoid missing any step.
MISTAKE: Thinking that 6 - 9 is the same as 9 - 6. | CORRECTION: Subtraction order matters! Taking 9 from 6 is different from taking 6 from 9.
Practice Questions
Try It Yourself
QUESTION: If you have 7 cricket balls and 4 of them roll away, how many are left? | ANSWER: 3
QUESTION: Your mom gave you 10 rupees. You bought a small pack of biscuits for 5 rupees. How much money do you have now? | ANSWER: 5 rupees
QUESTION: A bus started with 8 passengers. At the first stop, 2 passengers got off, and no new passengers got on. How many passengers are on the bus now? | ANSWER: 6 passengers
MCQ
Quick Quiz
What is the result of taking 6 away from 9?
15
3
6
9
The Correct Answer Is:
B
When you subtract 6 from 9, you are left with 3. Options A, C, and D are incorrect because they represent addition, the number being subtracted, or the original number.
Real World Connection
In the Real World
Every time you check your mobile data balance, you're using subtraction! If you started with 10 GB and used 7 GB, your phone calculates 10 - 7 to show you 3 GB remaining. Similarly, shopkeepers use subtraction to calculate change when you pay for groceries with cash.
Key Vocabulary
Key Terms
SUBTRACTION: Taking one number away from another | MINUS: The symbol '-' used for subtraction | DIFFERENCE: The result you get after subtracting | TAKE AWAY: Another way to say subtract
What's Next
What to Learn Next
Great job understanding 9 - 6! Next, you should explore subtracting larger numbers and then move on to addition and multiplication. These concepts build on each other and will make you a math superstar!
