Both vertical and horizontal with circles for two or three concepts. Venn diagrams in multiple printable versions. Though most of their contribution is in the field of set theory it can also be a fun activity for children. You could conveniently use the templates for a classroom activity practice and much more. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment.
Skip to the content. Ariana Benficiana. October 22, It was reported that were taking math, were taking biology, and were enrolled in chemistry. Of those students, 80 were taking biology and math, 70 were taking math and chemistry, 60 were taking biology and chemistry, and 50 were taking all three classes. How many students took math only? At first glance, you might not think this is possible because the numbers add up to more than But if you are familiar with how the regions are described, we can determine how many were in each region.
For instance, it says that 80 students are taking math and biology. We have 50 of those accounted for in Region 5, how many does that leave to be in Region 2? Using that same reasoning, 70 students are taking math and chemistry, how many students would then be in Region 4? Ok, how many students should be in Region 6? Since there are 60 students enrolled in biology and chemistry, and 50 of them are accounted for in Region 5, that leaves 10 students for Region 6.
Now remember, there are supposed to be students taking math, we have accounted for in Regions 2, 4, and 5. That leaves students in region 1, taking math only. How many students are taking biology only? Well, we were told that students were taking biology, we have 90 of them accounted for in Regions 2, 5, and 6, that leaves students in Region 3. How many are taking only chemistry? We know there are students taking chemistry, we have 90 accounted for in Regions 4, 5, and 6, that leaves in Region 7.
Filling in those numbers and taking the numbers off the circle, we have the following information. Where are they? Now tell me, was that fun? How many students took math and biology, but not chemistry? How many students took math and chemistry, but not biology? How many students took biology and chemistry, but not math? How many students took only math? How many students took exactly two of the courses? A survey of 70 high school students revealed that 35 like folk music, 15 like classical music, and 5 like both.
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