IXL | Use Venn diagrams to solve problems

9 of the children in Cameron's class like to use chalk. 5 children like to use markers, and 4 children like to use both chalk and markers. How many children like to use chalk but not markers?

Hint: Copy and complete the Venn diagram below to help you solve the problem.

I like to use chalk

I like to use markers

children

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Learn with an example

question

6 of the students in Mary's grade have been to Asia and 9 have been to Australia. 4 students have been to both Asia and Australia. How many students have been to Australia but not Asia?

Hint: Copy and complete the Venn diagram below to help you solve the problem.

I have been to Asia

I have been to Australia

students

solution

Make a Venn diagram to solve the problem.

I have been to Asia

I have been to Australia

4 students have been to both Asia and Australia. Put 4 dots in the area that is in both circles.

I have been to Asia

I have been to Australia

Now add dots to the other two areas until there are 6 dots in the "I have been to Asia" circle and 9 dots in the "I have been to Australia" circle.

I have been to Asia

I have been to Australia

Count the dots that are in the "I have been to Australia" circle but are not in the "I have been to Asia" circle. There are 5 dots.

5 students have been to Australia but not Asia.

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MM.1Count shapes in a Venn diagram

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