How to use a Venn Diagram - ISEE Lower Level (grades 5-6) Mathematics Achievement

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Question

Venn

Define universal set to be the set of integers from 1 to 20 inclusive.

Define sets as follows:

Which of the following would be the set of all elements that would go into the grayed region in the above Venn diagram?

Answer

The grayed region is the set of all elements that are in - that is, in both and . This set is

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Question

Venn

Define universal set to be the set of integers from 1 to 20 inclusive.

Define sets as follows:

Which of the following would be the set of all elements that would go into the grayed region in the above Venn diagram?

Answer

The grayed region is the set of all elements that are in - that is, in but not . This set is

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Question

The following Venn diagram depicts the number of students who like soccer, football, or both. How many students like soccer but not football?

Isee_question_6

Answer

A Venn diagram is used to demonstrate the number of people (or things) in particular categories. The regions of the circle that are overlapping indicate the number of individuals that belong to multiple groups. Therefore, based on this diagram, 12 students like soccer only, 16 like football only, and 8 like both.

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Question

Use the Venn Diagram to answer the question.

All of the sixth grade students at Park Middle School play at least one instrument.There are 60 total sixth graders at Park Middle School.

Venndiagram

How many students play both the drums and the guitar, but do not play the piano?

Answer

The shaded area where the circle that contains the word guitar overlaps with the circle that contains the word drums has the number 5. It is incorrect to add the total number of guitar players to the total number of drum players because we are only looking for students who play both instruments.

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Question

Use the Venn Diagram to answer the question.

All of the sixth grade students at Park Middle School play at least one instrument.There are 60 total sixth graders at Park Middle School. Venndiagram

Based on the information in the diagram, how many students play the guitar?

Answer

18 students play the guitar, but you must also add the 5 students who play the guitar and drums and the 3 students who play the guitar and piano.

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Question

Use the Venn Diagram to answer the question.

All of the sixth grade students at Park Middle School play at least one instrument.There are 60 total sixth graders at Park Middle School. Venndiagram

If one student plays all three instruments, how many students play both the drums and the piano, but not the guitar?

Answer

There are 60 total students. If 1 person plays all 3 instruments, then add that to all of the other numbers on the Venn Diagram to see that 58 students are represented on the Venn Diagram. Subtract that number from the total number of students to find the number of students in the missing category (those who play both the drums and the piano, but not the guitar).

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Question

The intersection point of a venn diagram represents the probability of niether event happening. True or false?

Answer

The intersection of a venn diagram represents when both events happen at the same time, not when neither happen.

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Question

Use the following Venn Diagram to answer the question.

Venndiagram1

What hobbies does Andy enjoy doing?

Answer

When looking at a Venn Diagram, we can see that it is made up of two circles. In this Venn Diagram

Venndiagram1

we can see Andy's hobbies on the left and Mary's hobbies on the right. We also see what hobbies they have in common in the center where the two circles intersect.

Now, when looking at Andy's circle containing his hobbies, we see that he enjoys sleeping, reading, and cooking. His circle is also part of the intersection, so we must include those hobbies as well. So, he also enjoys eating and singing.

So, overall, Andy's hobbies include sleeping, reading, cooking, eating, and singing.

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Question

The area when two circles on a Venn Diagram cross each other is when of the events occurs. True or False?

Answer

The point where two circles on a Venn Diagram intersect is the point where both of the events occur, not when neither occur.

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Question

Use the following Venn Diagram to answer the question.

Venndiagram1

What hobbies does Andy enjoy doing?

Answer

Venndiagram1

When looking at a Venn Diagram, we can see that it is made up of two circles. In this Venn Diagram we can see Andy's hobbies on the left and Mary's hobbies on the right. We also see what hobbies they have in common in the center where the two circles intersect.

Now, when looking at Andy's circle containing his hobbies, we see that he enjoys sleeping, reading, and cooking. His circle is also part of the intersection, so we must include those hobbies as well. So, he also enjoys eating and singing.

So, overall, Andy's hobbies include sleeping, reading, cooking, eating, and singing.

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