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What's on the worksheet
- Find the count asked for in each part, using a Venn diagram if it helps.
- Use the Venn diagram of ninth graders in volleyball and track to find the missing counts.
- Word problem: a survey of 55 households on music and video streaming services.
- Count whole numbers from 1 to 300 divisible by 6 and 9 in different ways.
- Word problem: percent and number of people who like both hiking and cycling.
- Find what fraction of the elements overlap when the union is 50% larger.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Venn diagrams and counting a union: the lesson ›More Chapter 11 worksheets: Counting
- 11.1Cardinality of a finite set
- 11.2Venn diagrams and counting a union
- 11.3Arrangements and factorials
- 11.4Permutations
- 11.5Combinations
- 11.6Counting with restrictions
- 11.7Pascal's triangle
- 11.8The binomial theorem