Using Venn Diagrams Worksheet

                     Lesson 1

Problem:    A veterinarian surveys 120 of his patrons. He discovers that 56 have dogs,

                                                                                  52 have cats and 8 have both. How many patrons have none of these pets?

Solution     56 have the dogs , 52 have the cats and 8 have Both

Step 1:

Solution     Number that have none of the pets

Step 2:         

Solution     120 – ( 56 + 52 + 8)

Step 3:

Solution      Answer is: 4

Step 4: 

Complete

                                                            Try two practice problems: 

1	Out of Seventy students, 25 are taking English Literature and 18 are taking Physics. If 12  students are in both classes, how many students are in neither class?
2	There are 600 kids in all, 166 didn't like horses or cats, 43 liked cats and 202 like Horses. How many love both?

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