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    Explore the amplitude, period, and phase shift by examining the graphs of various trigonometric functions.
    Grades: 9th to 12th, High School
    Functions
    Trigonometric Functions
    Interpreting Functions
    HSF-IF.C.7e, HSF-TF.B.5
    Create a custom spinner to examine experimental and theoretical outcomes.
    Web Interactive
    Grades: 9th to 12th, High School, 6th to 8th, 3rd to 5th, PreK to 2nd
    Stats & Probability
    Making Inferences and Justifying Conclusions
    Investigate chance processes and develop, use, and evaluate probability models.
    7.SP.C.5, 7.SP.C.6, 7.SP.C.7b, 7.SP.C.8c, HSS-IC.A.2
    Plot a set of data and determine a line of best fit.
    Web Interactive
    Grades: High School, 6th to 8th, 9th to 12th
    Stats & Probability
    Interpreting Categorical and Quantitative Data
    Investigate patterns of association in bivariate data.
    8.SP.A.1, 8.SP.A.2, 8.SP.A.3, HSS-ID.B.6a, HSS-ID.B.6b, HSS-ID.B.6c, HSS-ID.C.7, HSS-ID.C.8
    Create customized activity sheets for your classroom.
    Web Interactive
    Grades: High School, 6th to 8th, 3rd to 5th, PreK to 2nd, 9th to 12th, Pre K to 2nd
    Functions
    Geometry
    The Number System
    Num & Ops Fractions
    Measurement & Data
    Linear, Quadratic, and Exponential Models
    Use functions to model relationships between quantities.
    Solve real-world and mathematical problems involving area, surface area, and volume.
    Apply and extend previous understandings of numbers to the system of rational numbers.
    Graph points on the coordinate plane to solve real-world and mathematical problems.
    Develop understanding of fractions as numbers.
    Relate addition and subtraction to length.
    Analyze, compare, create, and compose shapes.
    Identify and describe shapes (squares, circles, triangles, rectangles, hexagons, cubes, cones, cylinders, and spheres).
    K.G.A.2, K.G.B.4, 2.MD.B.6, 3.NF.A.2a, 3.NF.A.2b, 5.G.A.1, 6.NS.C.6c, 6.NS.C.7a, 6.G.A.4, 8.F.B.5, HSF-LE.A.1b
    Investigate the concept of equivalence by "weighing" numeric and algebraic expressions.
    Web Interactive
    Grades: 9th to 12th, 6th to 8th, 3rd to 5th, High School
    Algebra
    Expression/Equation
    Algebraic Thinking
    Functions
    Reasoning with Equations and Inequalities
    Analyze and solve linear equations and pairs of simultaneous linear equations.
    Reason about and solve one-variable equations and inequalities.
    Represent and solve problems involving multiplication and division.
    Building Functions
    Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
    6.EE.B.7, 7.EE.B.4a, HSA-REI.A.1, HSF-BF.B.4a, 3.OA.A.4, 6.EE.B.5, 8.EE.C.7a, 8.EE.C.7b, HSA-REI.B.3
    Use polydrons to build nets and create the most appealing fish tank.
    Lesson Plan
    Grades: 9th to 12th, High School, 6th to 8th
    Geometry
    Congruence
    Geometric Measurement and Dimension
    Solve real-world and mathematical problems involving volume of cylinders, cones, and spheres.
    Solve real-world and mathematical problems involving area, surface area, and volume.
    6.G.A.2, 6.G.A.4, 8.G.C.9, HSG-GMD.A.3, HSG-CO.A.1
    Transform images through rotation, reflection, dilation, and translation using matrix multiplication.
    Lesson Plan
    Grades: 9th to 12th, High School
    Geometry
    Similarity, Right Triangles, and Trigonometry
    Congruence
    HSG-CO.A.2, HSG-CO.A.4, HSG-CO.A.5, HSG-CO.B.6, HSG-CO.B.7, HSG-CO.A.1, HSG-SRT.A.1a, HSG-SRT.A.1b
    Model exponential decay.
    Lesson Plan
    Grades: 9th to 12th, High School
    Functions
    Algebra
    Interpreting Functions
    Linear, Quadratic, and Exponential Models
    Seeing Structure in Expressions
    HSA-SSE.B.3c, HSF-IF.B.4, HSF-IF.C.7e, HSF-IF.C.8b, HSF-LE.A.1a, HSF-LE.A.1c, HSF-LE.B.5, HSF-IF.A.1

    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
    Make the connection between trigonometric rations and graphs of sine and cosine functions.
    Lesson Plan
    Grades: 9th to 12th, High School
    Functions
    Geometry
    Trigonometric Functions
    Similarity, Right Triangles, and Trigonometry
    Interpreting Functions
    HSF-IF.B.4, HSF-IF.B.5, HSF-IF.C.7e, HSF-TF.A.3, HSG-SRT.C.7, HSF-TF.A.2, HSF-TF.A.4, HSF-TF.B.5
    Solve puzzles to strengthen understanding of expanding and factoring polynomials.
    Lesson Plan
    Grades: 9th to 12th, High School
    Algebra
    Arithmetic with Polynomials and Rational Functions
    Seeing Structure in Expressions
    HSA-SSE.A.2, HSA-SSE.B.3a, HSA-APR.A.1
    Manipulate and fold three paper circles to explore four circle theorems.
    Lesson Plan
    Grades: 9th to 12th
    Geometry
    Circles
    HSG-C.A.2
    Extend the Fibonacci Sequence through an algebra exploration.
    Lesson Plan
    Grades: 6th to 8th, 9th to 12th
    Ratio & Proportion
    Functions
    Stats & Probability
    Analyze proportional relationships and use them to solve real-world and mathematical problems.
    Interpreting Functions
    Investigate patterns of association in bivariate data.
    Understand ratio concepts and use ratio reasoning to solve problems.
    6.RP.A.1, 8.SP.A.1, HSF-IF.A.3, 7.RP.A.2a
    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
    Develop an understanding of the Fibonacci Sequence, Golden Ratio, Golden Rectangle, and the term ratio.
    Lesson Plan
    Grades: 9th to 12th, 6th to 8th
    Geometry
    Functions
    Number & Quantity
    Ratio & Proportion
    Congruence
    Interpreting Functions
    Quantities
    Draw construct, and describe geometrical figures and describe the relationships between them.
    Understand ratio concepts and use ratio reasoning to solve problems.
    6.RP.A.1, 7.G.A.2, HSN-Q.A.3, HSF-IF.A.3, HSG-CO.D.12
    Participate in a modeling activity where they will learn the rules for translations, rotations, and reflections.
    Lesson Plan
    Grades: 9th to 12th, 6th to 8th
    Geometry
    Congruence
    Understand congruence and similarity using physical models, transparencies, or geometry software.
    8.G.A.3, HSG-CO.A.2, HSG-CO.A.4, HSG-CO.A.5, HSG-CO.B.6
    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
    Use proportions and similar figures to adjust the size of the New York City Subway Map so that it is drawn to scale.
    Lesson Plan
    Grades: 9th to 12th, 6th to 8th, High School
    Geometry
    Number & Quantity
    Ratio & Proportion
    Similarity, Right Triangles, and Trigonometry
    Congruence
    Understand congruence and similarity using physical models, transparencies, or geometry software.
    Quantities
    Draw construct, and describe geometrical figures and describe the relationships between them.
    Understand ratio concepts and use ratio reasoning to solve problems.
    6.RP.A.1, 6.RP.A.3a, 7.G.A.1, HSN-Q.A.3, 8.G.A.1a, 8.G.A.1b, 8.G.A.1c, 8.G.A.5, HSG-CO.A.1, HSG-SRT.A.2, HSG-SRT.A.3, HSG-SRT.B.4, HSG-SRT.B.5
    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
    Discover the pattern of Pick’s Theorem using physical or virtual manipulatives.
    Lesson Plan
    Grades: 9th to 12th
    Geometry
    Congruence
    HSG-CO.D.12
    1 - 20 of 76 results
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