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    Enforce the skills of identifying equivalent trigonometric expressions using puzzles.
    Lesson Plan
    Grades: High School, 9th to 12th
    Geometry
    Functions
    Similarity, Right Triangles, and Trigonometry
    Trigonometric Functions
    HSF-TF.A.3, HSG-SRT.C.6, HSG-SRT.C.7, HSG-SRT.C.8, HSG-SRT.D.10, HSG-SRT.D.11
    Use a spreadsheet to investigate rates of change among various figures created on a geoboard.
    Lesson Plan
    Grades: 9th to 12th
    Geometry
    Functions
    Congruence
    Interpreting Functions
    HSF-IF.B.6, HSG-CO.D.12
    Investigate the relationship between sides and angles in a triangle.
    Lesson Plan
    Grades: High School, 9th to 12th
    Geometry
    Congruence
    HSG-CO.C.10
    Form a physical interpretation of slope and y-intercept by running across a football field.
    Lesson Plan
    Grades: 6th to 8th, High School, 9th to 12th
    Ratio & Proportion
    Stats & Probability
    Functions
    Algebra
    Expression/Equation
    Analyze proportional relationships and use them to solve real-world and mathematical problems.
    Summarize and describe distributions.
    Interpreting Categorical and Quantitative Data
    Linear, Quadratic, and Exponential Models
    Interpreting Functions
    Creating Equations
    Investigate patterns of association in bivariate data.
    Use functions to model relationships between quantities.
    Understand the connections between proportional relationships, lines, and linear equations.
    8.EE.B.6, 8.F.B.4, 8.SP.A.2, 8.SP.A.3, HSA-CED.A.2, HSF-IF.B.4, HSF-LE.A.1a, HSF-LE.A.2, HSS-ID.B.6a, HSS-ID.B.6c, HSS-ID.C.7, 6.SP.B.5b, 7.RP.A.2b
    Use right triangle trigonometry and the Pythagorean theorem to develop the law of cosines.
    Grades: 9th to 12th
    Geometry
    Similarity, Right Triangles, and Trigonometry
    HSG-SRT.D.10, HSG-SRT.D.11
    Use remote-controlled cars to create a system of equations.
    Lesson Plan
    Grades: High School, 9th to 12th
    Algebra
    Reasoning with Equations and Inequalities
    Creating Equations
    HSA-CED.A.3, HSA-REI.C.6, HSA-REI.D.11
    Apply knowledge of linear equations and graphs in an authentic situation.
    Lesson Plan
    Grades: High School, 9th to 12th
    Stats & Probability
    Functions
    Algebra
    Interpreting Categorical and Quantitative Data
    Linear, Quadratic, and Exponential Models
    Interpreting Functions
    Reasoning with Equations and Inequalities
    Creating Equations
    HSA-CED.A.2, HSA-REI.D.10, HSF-IF.B.4, HSF-IF.C.7a, HSF-LE.A.1a, HSF-LE.B.5, HSS-ID.B.6a, HSS-ID.B.6c, HSS-ID.C.7
    Answers the questions, "When will I ever need to solve a system of equations?"
    Lesson Plan
    Grades: High School, 9th to 12th
    Algebra
    Reasoning with Equations and Inequalities
    Creating Equations
    HSA-CED.A.3, HSA-REI.C.6
    Investigate the properties of regression lines and correlation using an online interactive tool.
    Lesson Plan
    Grades: High School, 9th to 12th
    Stats & Probability
    Interpreting Categorical and Quantitative Data
    HSS-ID.B.6a, HSS-ID.B.6b, HSS-ID.B.6c, HSS-ID.C.7, HSS-ID.C.8
    Soda cans are often packaged in rectangular arrays, but more efficient arrangements that require less packaging material are possible. In this lesson, students investigate various designs for packaging soda cans and use geometry to analyze their designs.
    Grades: 9th to 12th
    Geometry
    Geometric Measurement and Dimension
    Circles
    HSG-C.B.5, HSG-GMD.B.4
    Use a motion detector to help students understand graphs and equations.
    Lesson Plan
    Grades: 6th to 8th, High School, 9th to 12th
    Ratio & Proportion
    Stats & Probability
    Functions
    Algebra
    Expression/Equation
    Analyze proportional relationships and use them to solve real-world and mathematical problems.
    Summarize and describe distributions.
    Interpreting Categorical and Quantitative Data
    Linear, Quadratic, and Exponential Models
    Interpreting Functions
    Creating Equations
    Investigate patterns of association in bivariate data.
    Use functions to model relationships between quantities.
    Understand the connections between proportional relationships, lines, and linear equations.
    8.EE.B.6, 8.F.B.4, 8.SP.A.2, 8.SP.A.3, HSA-CED.A.2, HSF-IF.B.4, HSF-LE.A.1a, HSF-LE.A.2, HSS-ID.B.6a, HSS-ID.B.6c, HSS-ID.C.7, 6.SP.B.5b, 7.RP.A.2b
    Collect information about the national debt, plot the data by decade, and determine whether an exponential curve is a good fit for the data.
    Lesson Plan
    Grades: High School, 9th to 12th
    Stats & Probability
    Interpreting Categorical and Quantitative Data
    HSS-ID.B.6a

    Construct perpendicular bisectors, find circumcenters, calculate area, and use proportions to solve a real world problem.

    Lesson Plan
    Grades: High School, 9th to 12th
    Geometry
    Congruence
    HSG-CO.D.12
    Offers a method for finding the slope of a line from its graph. 
    Lesson Plan
    Grades: 6th to 8th, High School, 9th to 12th
    Ratio & Proportion
    Functions
    Expression/Equation
    Analyze proportional relationships and use them to solve real-world and mathematical problems.
    Interpreting Functions
    Use functions to model relationships between quantities.
    Understand the connections between proportional relationships, lines, and linear equations.
    8.EE.B.6, 8.F.B.4, HSF-IF.B.6, 7.RP.A.2b
    Use problem-solving skills to find the solution to a multi-variable problem that is solved by manipulating linear equations.
    Lesson Plan
    Grades: High School, 9th to 12th
    Algebra
    Reasoning with Equations and Inequalities
    Creating Equations
    HSA-CED.A.3, HSA-REI.C.6, HSA-REI.D.11

    How much should the manager of a theater raise his prices in order to maximize his profit?

    Problems
    Grades: High School, 9th to 12th
    Functions
    Building Functions
    Interpreting Functions
    HSF-IF.B.4, HSF-IF.B.5, HSF-IF.C.7, HSF-BF.A.1
    A Ninja apprentice needs your help to use the density of titanium to calculate the angle of the spike on his throwing star!
    Problems
    Grades: High School, 9th to 12th
    Geometry
    Circles
    Similarity, Right Triangles, and Trigonometry
    HSG-SRT.D, HSG-C.B
    How far does the water level of the lake drop?
    Problems
    Grades: High School, 9th to 12th
    Geometry
    Geometric Measurement and Dimension
    HSG-GMD.A.3
    Find two transformations that will move one triangle onto the other.
    Problems
    Grades: High School, 9th to 12th
    Geometry
    Congruence
    HSG-CO.A.5
    Determine how many innings a pitcher has thrown as his Earned Run Average changes during a game.
    Problems
    Grades: High School, 9th to 12th
    Algebra
    Creating Equations
    HSA-CED.A.1, HSA-CED.A.2
    1 - 20 of 221 results