Amazing Math Lessons.

Please browse our selection of mathematics lessons sorted by subject and current common core standards for improving math achievement for every student.

Traditional Pathway: Algebra 2

Below are a comprehensive set of lesson plans and worksheets for Algebra 2 that correspond to the given Common Core concept and help students solve real-world problems. Lesson previews provide a quick glimpse at the provided materials.

  • Concept:

    The Complex Number System
  • Common Core Standard:CCSS.Math.Content.HSN.CN.A.1
  • Description: Know there is a complex number i such that i2 = -1, and every complex number has the form a + bi with a and b real.
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algebra complex number lesson
  • Concept:

    The Complex Number System
  • Common Core Standard:CCSS.Math.Content.HSN.CN.A.2
  • Description: Use the relation i2 = -1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.
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algebra complex number lesson
  • Concept:

    The Complex Number System
  • Common Core Standard:CCSS.Math.Content.HSN.CN.C.7
  • Description: Solve quadratic equations with real coefficients that have complex solutions.
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algebra complex number lesson
  • Concept:

    The Complex Number System
  • Common Core Standard:CCSS.Math.Content.HSN.CN.C.8
  • Description: Extend polynomial identities to the complex numbers. For example, rewrite x2 + 4 as (x + 2i)(x - 2i).
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algebra complex number lesson
  • Concept:

    The Complex Number System
  • Common Core Standard:CCSS.Math.Content.HSN.CN.C.9
  • Description: Know the Fundamental Theorem of Algebra; show that it is true for quadratic polynomials.
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algebra complex number lesson

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