Convert the Fraction: Expressing 33/1000 in Decimal Form

Decimal Conversion with Thousandths Place

331000= \frac{33}{1000}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Convert to decimal fraction
00:03 Write the numerator as a number
00:07 Now according to the denominator, move the decimal point to the left
00:10 There are 3 zeros in the denominator, so we move 3 times to the left
00:20 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

331000= \frac{33}{1000}=

2

Step-by-step solution

Let's write the simple fraction as a decimal fraction:

33.0 33.0

Since the fraction is divided by 1000, we move the decimal point three places to the left:

.0330 .0330

Now let's add the zero before the decimal point and we get:

0.0330=0.033 0.0330=0.033

3

Final Answer

0.033

Key Points to Remember

Essential concepts to master this topic
  • Rule: When denominator is 1000, decimal has 3 places
  • Technique: Move decimal point left: 33.0 → 0.033 (3 places)
  • Check: Count decimal places: 0.033 has 3 places = 1000 ✓

Common Mistakes

Avoid these frequent errors
  • Moving decimal point wrong direction or incorrect number of places
    Don't move the decimal point right or only 1-2 places = completely wrong answer! Moving right gives 330.0, and insufficient moves give 0.3 or 3.3. Always move the decimal point LEFT exactly as many places as there are zeros in the denominator.

Practice Quiz

Test your knowledge with interactive questions

Write the following fraction as a decimal:

\( \frac{1}{100}= \)

FAQ

Everything you need to know about this question

How do I know which direction to move the decimal point?

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When converting fractions to decimals, always move LEFT! Think of it as making the number smaller - dividing by 1000 makes 33 much smaller, so we get 0.033.

Why does 1000 in the denominator mean 3 decimal places?

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Count the zeros! 1000 has 3 zeros, so move the decimal point 3 places left. This works for any power of 10: 10 = 1 place, 100 = 2 places, 1000 = 3 places.

What if I get 0.0330 instead of 0.033?

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That's correct too! Trailing zeros after the decimal don't change the value. Both 0.033 and 0.0330 equal 331000 \frac{33}{1000} , but 0.033 is the simplified form.

Can I just divide 33 by 1000 on a calculator?

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Yes! Division is another way to convert fractions to decimals. 33 ÷ 1000 = 0.033. Both methods give the same answer, but understanding place value helps you work without a calculator.

How do I remember where to put the decimal point?

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Start with the numerator as a whole number: 33.0. Then count the zeros in the denominator and move left that many places. For 1000, move 3 places left: 33.0 → 0.033.

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