Which one is bigger, 9.11 or 9.8?
Which one is bigger if we subtract both side with 0.11?

To determine which number is bigger between 9.11 and 9.8, we can compare the two directly:

\[ 9.11 < 9.8 \]

Next, let's see what happens if we subtract 0.11 from both sides.

Subtracting 0.11 from 9.11:

\[ 9.11 - 0.11 = 9.00 \]

Subtracting 0.11 from 9.8:

\[ 9.8 - 0.11 = 9.69 \]

So, the new values are 9.00 and 9.69. Comparing these:

\[ 9.00 < 9.69 \]

Therefore, even after subtracting 0.11, 9.8 is still the bigger number.

Would you like more details or have any questions?

Here are some related questions to explore:

1. What is the difference between 9.11 and 9.8?
2. How do we compare decimal numbers?
3. What happens if we add a constant value to both numbers instead?
4. How do we compare negative decimal numbers?
5. What if we multiply both 9.11 and 9.8 by the same factor?
6. How does subtraction affect the order of two numbers?
7. What are some practical applications of comparing decimal numbers?
8. How do we compare fractions instead of decimals?

**Tip:** When comparing decimal numbers, align them by their decimal points to easily determine which is larger.

Explore the comparison of decimal numbers 9.11 and 9.8. Understand how subtraction affects their relative sizes with a step-by-step explanation. Suitable for students learning about decimal comparisons and basic arithmetic.

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