Decimal Comparison: Find the Missing Symbol Between 24.305 and 24.315

Decimal Comparison with Hundredths Place Analysis

Fill in the missing sign:

24.305 — 24.315 24.305\text{ }_{—\text{ }}24.315

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Choose the appropriate sign
00:03 Let's compare the digits between the numbers
00:07 1 is greater than 0 therefore this number is bigger
00:10 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Fill in the missing sign:

24.305 — 24.315 24.305\text{ }_{—\text{ }}24.315

2

Step-by-step solution

First let's compare the numbers.

We can see that, before the decimal point, both numbers start with 24.

After the decimal point, we also have the digit 3 in both numbers.

Then the digits are 0 in one number and 1 in the other.

Since 1 is greater than 0, the appropriate sign is the 'less-than' sign:

24.305<24.315 24.305 < 24.315

3

Final Answer

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Key Points to Remember

Essential concepts to master this topic
  • Rule: Compare decimal places left to right until digits differ
  • Technique: Since 24.30 equals 24.31 in tenths, compare hundredths: 0 vs 5
  • Check: Verify 24.305<24.315 24.305 < 24.315 by noting 305 < 315 in thousandths ✓

Common Mistakes

Avoid these frequent errors
  • Comparing decimal endings without proper place value alignment
    Don't just look at the last digits 5 vs 5 and assume they're equal! This ignores the crucial hundredths place where 0 < 1. Always compare each decimal place systematically from left to right until you find different digits.

Practice Quiz

Test your knowledge with interactive questions

Reduce the following fraction:

\( 0.30 \)

FAQ

Everything you need to know about this question

Why can't I just look at the last digit to compare decimals?

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The last digit's position matters! In 24.305 vs 24.315, both end in 5, but one 5 is in the thousandths place. You must compare place by place from left to right to find where they first differ.

How do I know which decimal place to focus on?

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Start from the left after the decimal point! Compare tenths first, then hundredths, then thousandths. Stop when you find the first place where the digits are different.

What if the decimals have different lengths?

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Add zeros to the right to make them the same length! For example, 24.3 becomes 24.300. This doesn't change the value but makes comparison easier.

Can I convert decimals to fractions to compare them?

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Yes, but it's usually more work! Converting 24.305 = 24305/1000 and 24.315 = 24315/1000 works, but place-by-place comparison is much faster.

How can I double-check my comparison?

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Use a number line or think about money! 24.305 dollars vs 24.315 dollars - which is more? The one with more cents (31.5¢ vs 30.5¢) is greater.

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