Secrets, Lies, and Algebra OBOS Guide.docx

# Chapter 7 the difference between axioms and theorems

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Chapter 7 - The Difference Between Axioms and Theorems Watch this video for another explanation of axioms and theorems and answer the following questions. 1) Define Axiom 2) Define Theorem 3) List any theorems or axioms that you know. 4) Are there any axioms in life or are there only theorems? Explain

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Literacy Activity - As a class make a list of pros and cons with the heading: Tell the Police and/or Tell a teacher about Richard … Students will pick a position to tell or not to tell and try to persuade the opposite view through writing or speaking. Students can work individually, in pairs, small groups, or speak before the entire class. Discussion/Journal Activity - On page 49, Tess describes Sammy and her mother as an empty set because their Venn Diagram circles do not intersect. (see diagram on page 49) Is there anyone in your life that you don’t intersect with right now? Why or why not?
Day 4 Read pages 61-80 Chapter 8 - Zero Chapter 9 - Percentages Chapter 10 - The Quadratic Equation Activities Math Activities Chapter 8 - Zero Add a zero to the left, then to the right of each number below. Determine if the value of the number changes. Explain. 1) 5 2) .3 3) 11 Watch this video and explain why x 0 = 1. Chapter 9 - Percentages Answer the questions below: 1) What percentage of this class is girls? 2) What percentage of this class wears glasses? 3) What percentage of this class is wearing red today? 4) Since Tess says 16 girls in her class represent 48% of the total, how many total students are in her class? How does this compare to your class percentage and total? Chapter 10 - Quadratic Equations Watch this video and answer the questions below: (You will only be able to watch the first 2.5 minutes without an account, but it is enough to get you started.) 1) What is the standard form for quadratic equations? 2) Sketch a parabola that opens upward/downward.

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3) Solve Tess’ DO NOW problem on page 76 by factoring or with the quadratic formula. y=x 2 -2x-3 a) Watch the linked videos if you need further instruction. b) Quadratic Formula Song Literacy Activity - Create a multi flow map to make a prediction for this question: How will the spreading gossip about Tess’ secret affect the story? A template for this map can be found here . Discussion/Journal Activity - What formula would Tess like to know on page 79? How does gossip travel in our school?
Day 5 Read pages 81-93 Chapter 11 - Parallel Lines Chapter 12 - A Complete Circle Activities Tell students that each class is expected to produce one Google presentation slide stating lessons learned from the book. Include at least one math lesson and at least one life lesson learned. Students can contribute individually or collectively. This will be on the Day 10 session. Students can start brainstorming now. Math Activities Chapter 11 - Parallel Lines Complete these activities: 1) Draw an example of parallel lines. 2) Draw an example of perpendicular lines. 3) Draw an example of intersecting lines. 4) Name a street parallel to the one you live on.

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