Identify the Shape with Exactly 2/7 Shaded Area

Fraction Identification with Grid Models

Choose the shape in which the painted part is 27 \frac{2}{7}

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Choose the figure where the colored part equals the given fraction
00:03 In each figure, we'll count the colored amount and divide by the number of parts
00:13 We'll compare to the given fraction, and choose the figure that equals the given fraction
00:19 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

Choose the shape in which the painted part is 27 \frac{2}{7}

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Step-by-step solution

To solve this problem, we'll determine which shape has a fraction of 27 \frac{2}{7} of its sections painted:

  • Step 1: Analyze the given choices to determine the total number of sections in each shape.
  • Step 2: Count the number of painted sections in each shape.
  • Step 3: Calculate the fraction of painted sections for each shape.
  • Step 4: Identify which, if any, of the fractions is equal to 27 \frac{2}{7} .

Let's go through these steps with the shapes provided:

Choice 1: This shape is divided into 5 sections (3 empty, 2 painted):

The fraction of painted sections =25= \frac{2}{5}.

Choice 2: This shape is divided into 7 sections (5 empty, 2 painted):

The fraction of painted sections =27= \frac{2}{7}.

Choice 3: This shape is divided into 7 sections, same as choice 2:

The fraction of painted sections =27= \frac{2}{7}.

Choice 4: This shape is divided into 7 sections (5 empty, 2 painted):

The fraction of painted sections =27= \frac{2}{7}.

Both Choice 2 and Choice 4 have exactly the fraction 27 \frac{2}{7} of the sections painted. Since we are looking for one choice, we’ll choose the first (Choice 2) based on its placement in the sequence.

Therefore, the shape which represents a fraction of the painted part of 27 \frac{2}{7} is found in Choice 2.

3

Final Answer

Key Points to Remember

Essential concepts to master this topic
  • Count Rule: Count total sections first, then shaded sections
  • Technique: Make fraction: shaded sectionstotal sections \frac{\text{shaded sections}}{\text{total sections}}
  • Check: Verify 2 shaded out of 7 total equals 27 \frac{2}{7}

Common Mistakes

Avoid these frequent errors
  • Counting incorrectly or confusing shaded vs unshaded
    Don't count the unshaded sections as the numerator = wrong fraction like 57 \frac{5}{7} ! This gives the fraction of empty space, not painted area. Always count shaded sections for numerator and total sections for denominator.

Practice Quiz

Test your knowledge with interactive questions

Without calculating, determine whether the quotient in the division exercise is less than 1 or not:

\( 5:6= \)

FAQ

Everything you need to know about this question

How do I count the sections quickly?

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Look for the grid lines that divide the shape! Count how many equal rectangles or squares you see - that's your total. Then count only the colored ones for your numerator.

What if the shape looks different but has the same fraction?

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That's totally normal! 27 \frac{2}{7} can look different depending on which sections are shaded. Focus on the numbers: 2 shaded out of 7 total always equals 27 \frac{2}{7} .

Why do some choices have different total sections?

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Each shape is divided differently! One might have 5 sections total, another might have 7 sections total. Only the shape with 7 sections can possibly show 27 \frac{2}{7} .

How can I double-check my answer?

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Use division! Calculate 270.286 \frac{2}{7} \approx 0.286 and compare with your shape's fraction. For example, 25=0.4 \frac{2}{5} = 0.4 is too big, so that's not the right answer.

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