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Bell Ringer. Ben was twenty years old in 1980 but only fifteen years old in 1985. How come?. Soccer Game.
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Bell Ringer • Ben was twenty years old in 1980 but only fifteen years old in 1985. How come?
Soccer Game At the conclusion of a soccer game whose two teams each included 11 players, each player on the winning team “gave five” to (slapped hands with) each player on the losing team. Each player on the winning team also gave five to each other player on the winning team. How many fives were given?
Elevator The capacity of an elevator is either 20 children or 15 adults. If 12 children are currently in the elevator, how many adults can still get in?
Theater Group There are eight more women than men in a theater group. The group has a total of 44 members. How many men and how many women are in the group?
Cows and Ducks Farmer Brown had ducks and cows. One day she noticed that the animals had a total of 12 heads and 32 feet. How many of the animals were ducks and how many were cows?
Strange Number If you take a particular two-digit number, reverse its digits to make a second two-digit number, and add these two numbers together, their sum will be 121. What is the original number?
Thinking as a Skill 2.1 Claims, Assertions, Statements
Claims and Assertions • A claim or assertion is an expression that is ____________________ true • Supposedly true, because not all claims or assertions are true. • Some claims are not ____________________ true. • A ____________ is an assertion that is not so.
Claims… • Expressed by a ___________________ • States __________________ • Expresses _______________ • Can be a ______________( or judgment or opinion); and unless or until there is more factual evidence, it will remain so. • Can be _______________; each individual person decides its truth.
Types of Sentences • There are three types of sentences • Declarative --___________________ • Interrogative--___________________ • Imperative--____________________
Types of Claims • A fact is a __________ statement (informative) • Value judgments are claims that are ___________ about the perceived value or worth or rightness or wrongness of a subject • ________________ are claims that something may or may not be true because it is still in the future or is as yet unverified • ________________ are claims that scientists treat as fact; should be understood as probabilities of a very high order • _______________ are claims that are suggestions, not straightforwardly true or false.
Example • How would you describe each of the following statements in terms of truth or falsity? • Memphis (Egypt) is south of Cairo. • Dinosaurs were cold-blooded. • Top football players are paid obscenely high wages.
Functions of Language Activity • http://online.santarosa.edu/philo/tutorial/index.html • Username: philo • Password: sophy
Homework Class Examples • Critical Reasoning • P. 74/#1-4 • Complete the worksheet. Due Wednesday • Log onto Ms. Herron’s website and Collaborize Classroom