Slide 1
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Slide 2
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Click on Sherlock Holmes to begin the investigation!
Section 7.3
Slide 3
To continue the investigation, click on Sherlock Holmes.
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Set
Who is Sherlock Holmes???
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Directions…
Slide 4
In a class of 30 students, 17 watch MTV and 12 play video games.
5 students watch MTV and play video games. See if you can answer the following 4 questions:
1. How many students watch MTV but do not play video games?
Slide 5
Almost…
Later I will help you learn to use a tool that will help you investigate these kinds of questions. Try the next question…
Slide 6
In a class of 30 students, 17 watch MTV and 12 play video games.
5 students watch MTV and play video games.
2. How many students play video games but do not watch MTV?
7
17
24
12
6
30
Slide 7
Almost…
Later I will help you learn to use a tool that will help you investigate these kinds of questions. Try the next question…
Slide 8
In a class of 30 students, 17 watch MTV and 12 play video games.
5 students watch MTV and play video games.
3. How many students watch MTV or play video games (possibly both)?
7
17
24
12
6
30
Slide 9
Almost…
Later I will help you learn to use a tool that will help you investigate these kinds of questions. Try the next question…
Slide 10
In a class of 30 students, 17 watch MTV and 12 play video games.
5 students watch MTV and play video games.
4. How many students neither watch MTV nor play video games?
7
17
24
12
6
30
Slide 11
Almost…
Slide 12