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Published byNaomi Worby Modified over 3 years ago

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What is Alg 2 STEM? Or understanding the differences between STEM and regular

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What STEM is not This is the big take away from today, I hope. Algebra 2 STEM is not just regular Algebra 2, just more rigorous. The S.T.E. in the STEM must impact the course content.

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The way we teach

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We should Spill some Paint in STEM

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BUT! The STEM content is more rigorous than regular Alg 2. How? In what way? Let’s examine steM a little.

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Problem Posing Technique Start with x 2 + 6x + 5 = 0 Transform it into: x 2 + ?x + 5 = 0 basic Alg 1 prob

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Factor x 2 + ?x + 5 = 0 Give 2 sets of real solutions to this equation and the ?. (alg 1) Give 2 sets of 4 rational solutions to this equation and the ?. (alg 2)

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Factor x 2 + ?x + 5 = 0 Give 1 set of imaginary solutions to this equation and the ?. (alg 2 steM) Give a different set of imaginary solutions to this equation and the ?. (alg 2 steM)

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Tweak 1 thing Factor x 4 + ?x 2 + 5 = 0 Now it is an alg 2 problem Factor x 1/4 + ?x 1/2 + 5 = 0 Now it is an alg 2 steM problem

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Additional topics that are steM 1.Asymptotes, delve into slant asymptotes and make sure they understand long and synthetic division well. 2.Rational root theorem – using p/q to find the roots without graphing 3.Completing the square with a > 1 and / or fraction or odd numbers for b; as well as generalize with a b = k and generalize; this comes up again in inverses of quadratics

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Additional topics that are steM 1.Complex conjugates, rationalizing denominator 2.Composition with all functions, including polynomials, rationals, roots 3.Solving radical equations with 2 or more terms on one side of the equal sign

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Topics that are STEm. Mix the Paint 1.Time spent on problems should be less, and go deeper. 2.Time for modeling questions.

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Where to find STEM problems? An exploration of functions and inverses based around the additional requirements of the EPA. Using quadratic functions to predict if a ball will be a homerun or not.

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