Identify the Fraction: Calculating Blue Shaded Region in a 10-Unit Grid

Fraction Representation with Grid Division

What part of the whole does the shaded (blue) area represent?

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Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

What part of the whole does the shaded (blue) area represent?

2

Step-by-step solution

To solve this problem, we'll follow these steps:

  • Step 1: Count the total number of equal sections in the diagram.
  • Step 2: Determine how many sections are shaded in blue.
  • Step 3: Use the fraction formula shaded sectionstotal sections\frac{\text{shaded sections}}{\text{total sections}} to find the portion represented by the shaded area.
  • Step 4: Convert the fraction to a decimal.

Now, let's work through each step:

Step 1: Upon examining the diagram, we observe that the grid is divided into 10 vertical sections. Each section is presumably equal in area.

Step 2: There is 1 shaded section, which is the first vertical column on the left.

Step 3: Using the fraction formula, the part of the whole represented by the shaded section is 110\frac{1}{10}, because there is 1 shaded section out of 10 total sections.

Step 4: We convert the fraction 110\frac{1}{10} into its decimal form, which is 0.10.1.

Therefore, the solution to the problem is the shaded area represents 0.10.1 or 110\frac{1}{10} of the whole.

This corresponds to choice 3: 0.10.1 and 110\frac{1}{10}.

3

Final Answer

0.1 0.1 and 110 \frac{1}{10}

Key Points to Remember

Essential concepts to master this topic
  • Rule: Count shaded parts over total parts for fraction form
  • Technique: Convert fraction to decimal by dividing: 110=1÷10=0.1 \frac{1}{10} = 1 \div 10 = 0.1
  • Check: Verify both forms represent same value: 110=0.1 \frac{1}{10} = 0.1

Common Mistakes

Avoid these frequent errors
  • Counting only shaded sections without considering the whole
    Don't just count 1 shaded section and say the answer is 1! This ignores that it's 1 out of a total. The fraction needs both numerator (shaded) and denominator (total). Always identify the complete whole first, then find what part is shaded.

Practice Quiz

Test your knowledge with interactive questions

Write the following fraction as a decimal:

\( \frac{5}{100}= \)

FAQ

Everything you need to know about this question

Why does the problem ask for both decimal and fraction forms?

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Both forms represent the same value but are useful in different situations! Fractions like 110 \frac{1}{10} show the exact relationship, while decimals like 0.1 are easier for calculations and comparisons.

How do I know if I counted the total sections correctly?

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Look for the grid lines that divide the shape into equal parts. In this problem, there are 10 vertical columns, so the total is 10. Count carefully and make sure all sections are the same size!

What if the shaded area was in multiple sections?

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Just count all the shaded sections for your numerator! If 3 out of 10 sections were shaded, the answer would be 310 \frac{3}{10} or 0.3.

Can I simplify the fraction 1/10?

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110 \frac{1}{10} is already in its simplest form because 1 and 10 share no common factors other than 1. You cannot reduce it further!

How do I convert other fractions to decimals?

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Simply divide the numerator by the denominator! For example: 34=3÷4=0.75 \frac{3}{4} = 3 \div 4 = 0.75 . Use long division if needed.

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