IXL | Use Venn diagrams to solve problems

Of the children in Janelle's class, 3 have a blue block. 3 children have a yellow block. 1 child has both a blue block and a yellow block. How many children have a yellow block but not a blue block?

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

I have a blue block

I have a yellow block

children

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Learn with an example

question

7 of the people in Jim's family have seen a coyote and 6 have seen a skunk. 2 people have seen both a coyote and a skunk. How many people have seen a coyote or a skunk or both?

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

I have seen a coyote

I have seen a skunk

people

solution

Make a Venn diagram to solve the problem.

I have seen a coyote

I have seen a skunk

2 people have seen both a coyote and a skunk. Put 2 dots in the area that is in both circles.

I have seen a coyote

I have seen a skunk

Now add dots to the other two areas until there are 7 dots in the "I have seen a coyote" circle and 6 dots in the "I have seen a skunk" circle.

I have seen a coyote

I have seen a skunk

Count the total number of dots in the diagram. There are 11 dots.

11 people have seen a coyote or a skunk or both.

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