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: Geometry

Below are a comprehensive set of lesson plans and worksheets for Geometry 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:

    Statistics & Probability
  • Common Core Standard:CCSS.Math.Content.HSS.CP.A.1
  • Description: Describe events as subsets of a sample space (the set of outcomes) using characteristics (or categories) of the outcomes, or as unions, intersections, or complements of other events ("or," "and," "not").
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geometry image
  • Concept:

    Statistics & Probability
  • Common Core Standard:CCSS.Math.Content.HSS.CP.A.2
  • Description: Understand that two events A and B are independent if the probability of A and B occurring together is the product of their probabilities, and use this characterization to determine if they are independent.
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geometry image
  • Concept:

    Statistics & Probability
  • Common Core Standard:CCSS.Math.Content.HSS.CP.A.3
  • Description: Understand the conditional probability of A given B as P(A and B)/P(B), and interpret independence of A and B as saying that the conditional probability of A given B is the same as the probability of A, and the conditional probability of B given A is the same as the probability of B.
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geometry image
  • Concept:

    Statistics & Probability
  • Common Core Standard:CCSS.Math.Content.HSS.CP.A.4
  • Description: Construct and interpret two-way frequency tables of data when two categories are associated with each object being classified. Use the two-way table as a sample space to decide if events are independent and to approximate conditional probabilities.
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geometry image
  • Concept:

    Statistics & Probability
  • Common Core Standard:CCSS.Math.Content.HSS.CP.A.5
  • Description: Recognize and explain the concepts of conditional probability and independence in everyday language and everyday situations.
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geometry image
  • Concept:

    Statistics & Probability
  • Common Core Standard:CCSS.Math.Content.HSS.CP.B.6
  • Description: Find the conditional probability of A given B as the fraction of B's outcomes that also belong to A, and interpret the answer in terms of the model.
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geometry image
  • Concept:

    Statistics & Probability
  • Common Core Standard:CCSS.Math.Content.HSS.CP.B.7
  • Description: Apply the Addition Rule, P(A or B) = P(A) + P(B) - P(A and B), and interpret the answer in terms of the model.
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geometry image
  • Concept:

    Statistics & Probability
  • Common Core Standard:CCSS.Math.Content.HSS.CP.B.8
  • Description: Apply the general Multiplication Rule in a uniform probability model, P(A and B) = P(A)P(B|A) = P(B)P(A|B), and interpret the answer in terms of the model.
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geometry image
  • Concept:

    Statistics & Probability
  • Common Core Standard:CCSS.Math.Content.HSS.CP.B.9
  • Description: Use permutations and combinations to compute probabilities of compound events and solve problems.
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geometry image
  • Concept:

    Statistics & Probability
  • Common Core Standard:CCSS.Math.Content.HSS.MD.B.6
  • Description: Use probabilities to make fair decisions (e.g., drawing by lots, using a random number generator).
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geometry image
  • Concept:

    Statistics & Probability
  • Common Core Standard:CCSS.Math.Content.HSS.MD.B.7
  • Description: Analyze decisions and strategies using probability concepts (e.g., product testing, medical testing, pulling a hockey goalie at the end of a game).
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geometry image
  • Concept:

    Congruence
  • Common Core Standard:CCSS.Math.Content.HSG.CO.D.12
  • Description: Make formal geometric constructions with a variety of tools and methods (compass and straightedge, string, reflective devices, paper folding, dynamic geometric software, etc.). Copying a segment; copying an angle; bisecting a segment; bisecting an angle; constructing perpendicular lines, including the perpendicular bisector of a line segment; and constructing a line parallel to a given line through a point not on the line.
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geometry image
  • Concept:

    Congruence
  • Common Core Standard:CCSS.Math.Content.HSG.CO.D.13
  • Description: Construct an equilateral triangle, a square, and a regular hexagon inscribed in a circle.
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