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Exponent Laws and Polynomials · Weeks 19-27

Factoring GCF and Grouping

Breaking down complex polynomials into their irreducible factors using various algebraic techniques, starting with GCF.

Key Questions

  1. Justify why the Greatest Common Factor is always the first step in factoring.
  2. Explain how factoring by grouping works for polynomials with four terms.
  3. Analyze how factoring helps us find the zeros of a function.

Common Core State Standards

CCSS.Math.Content.HSA.SSE.A.2CCSS.Math.Content.HSA.SSE.B.3
Grade: 9th Grade
Subject: Mathematics
Unit: Exponent Laws and Polynomials
Period: Weeks 19-27

About This Topic

Journalism is the 'first draft of history,' and its ethics are the 'rules of the road' for a free press. In this topic, students explore the responsibilities of a journalist: accuracy, independence, impartiality, and humanity. They grapple with difficult questions about 'the public's right to know' vs. 'an individual's right to privacy,' and they analyze the ethical implications of 'clickbait,' 'anonymous sources,' and 'sponsored content.'

This unit aligns with CCSS standards for determining an author's point of view or purpose and analyzing how an author uses rhetoric. In an age of 'instant' news, understanding the 'why' behind the 'what' is essential. This topic is best taught through 'ethical dilemma' simulations and 'editorial' workshops where students must make difficult choices under a deadline.

Active Learning Ideas

Watch Out for These Misconceptions

Common MisconceptionJournalists are supposed to be 'perfectly' neutral.

What to Teach Instead

While they should be 'impartial' (fair to all sides), they also have a duty to the 'truth.' If one side is lying, a journalist's job is to 'call it out,' not just report the lie. A 'Fairness vs. Truth' discussion helps students see this distinction.

Common MisconceptionIf it's on a 'news site,' it must be 'journalism.'

What to Teach Instead

Many sites look like news but are actually 'opinion blogs' or 'propaganda.' Use a 'Site Audit' (checking for a 'Corrections' policy and 'By-lines') to help students distinguish between 'professional journalism' and 'content creation.'

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Frequently Asked Questions

What is an 'anonymous source' and why are they controversial?
It is a person who provides information to a journalist but refuses to be named in the story (often to protect their job or safety). They are controversial because the reader can't 'verify' the source's credibility, so they have to 'trust' the journalist's judgment.
What is the 'Society of Professional Journalists' (SPJ) Code of Ethics?
It is a set of four principles that guide journalists: 1. Seek Truth and Report It. 2. Minimize Harm. 3. Act Independently. 4. Be Accountable and Transparent. It is the 'gold standard' for ethical journalism in the US.
What is 'libel'?
Libel is a published 'false statement' that is damaging to a person's reputation. Journalists can be sued for libel if they publish something they *know* is false or if they are 'reckless' in not checking the facts.
How can active learning help students understand journalism ethics?
Ethics are 'choices' made under pressure. Active learning, like the 'Deadline Dilemma,' forces students to *feel* that pressure. When they have to decide between 'being first' and 'being right,' they realize that journalism is not just 'writing,' but a constant series of moral decisions that affect real people's lives.

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