Strickler WMS  -  8th Grade Math
  • Home
  • Number System
    • 8.NS.1 Rational and Irrational Numbers
    • 8.NS.2 Approximations of Square and Cube Roots >
      • Golden Ratio
  • Expressions and Equations
    • Exponents (8.EE.1 - 8.EE.2)
    • Scientific Notation (8.EE.3 - 8.EE.4)
    • 8.EE.5 Graph and Compare Proportional Relationships
    • 8.EE.6 Find the Equation of a Line
    • Linear Equations (8.EE.7 - 8.EE.8)
  • Functions
    • 8.F.1 Input and Output
    • 8.F.2 Compare Two Functions
    • 8.F.3 Examples of Functions
    • 8.F.4 Constructing and Interpreting Functions
    • 8.F.5 Graphing and Analyzing Functions
  • Geometry
    • Transformations (8.G.1 - 8.G.4)
    • 8.G.5 Angle Relationships
    • Pythagorean Theorem (8.G.6 - 8.G.8)
    • 8.G.9 Volume
  • Statistics and Probability
    • Data Analysis and Probability >
      • Line Plots and Frequency Tables
      • Box-and-Whisker Plots
      • Scatter Plots
      • Permutations and Combinations
      • Experimental Probability
      • Simple Random Samples
  • Algebra I
  • Baseball

8.G.5

5. Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles. For example, arrange three copies of the same triangle so that the sum of the three angles appears to form a line, and give an argument in terms of transversals why this is so.

IXL - Identify complementary, supplementary, vertical, adjacent, and congruent angles

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IXL - Find the measures of complementary, supplementary, vertical, and adjacent angles

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90 or Higher

Khan Academy - Angles 2

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Angle Relationships Quia / Worksheet

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