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    Relate linear equations and graphs in a game of ships and attacks.
    Lesson Plan
    Grades: 6th to 8th
    Ratio & Proportion
    Functions
    Expression/Equation
    Analyze proportional relationships and use them to solve real-world and mathematical problems.
    Use functions to model relationships between quantities.
    Understand the connections between proportional relationships, lines, and linear equations.
    8.EE.B.5, 8.F.B.4, 7.RP.A.2b, 7.RP.A.2d
    Construct a scale drawing of a regulation dartboard using geometry and measurement.
    Lesson Plan
    Grades: 6th to 8th
    Ratio & Proportion
    Understand ratio concepts and use ratio reasoning to solve problems.
    6.RP.A.1
    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
    Use the formula for the volume of a cylinder and convert it into the same volume for rectangular prisms while trying to minimize the surface area.
    Lesson Plan
    Grades: 6th to 8th
    Geometry
    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
    Use volume and unit rates to determine best values for hay bales.
    Lesson Plan
    Grades: 6th to 8th
    Geometry
    Expression/Equation
    The Number System
    Ratio & Proportion
    Solve real-world and mathematical problems involving volume of cylinders, cones, and spheres.
    Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
    Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
    Analyze proportional relationships and use them to solve real-world and mathematical problems.
    Solve real-world and mathematical problems involving area, surface area, and volume.
    Understand ratio concepts and use ratio reasoning to solve problems.
    6.RP.A.1, 6.RP.A.2, 6.RP.A.3b, 6.RP.A.3c, 6.G.A.2, 7.RP.A.1, 7.NS.A.3, 7.EE.B.3, 8.G.C.9
    Use manipulative blocks and counters to explore equations such as 3x = 2x + 12.
    Lesson Plan
    Grades: 6th to 8th
    Expression/Equation
    Use properties of operations to generate equivalent expressions.
    Reason about and solve one-variable equations and inequalities.
    Apply and extend previous understandings of arithmetic to algebraic expressions.
    Analyze and solve linear equations and pairs of simultaneous linear equations.
    Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
    7.EE.B.4a, 6.EE.B.5, 8.EE.C.7a, 8.EE.C.7b, 6.EE.A.3, 6.EE.B.6, 7.EE.A.1, 7.EE.A.2
    Make predictions and conduct experiment to determine how many pebbles the crow would need to add to the pitcher in order to bring the water to drinking height.
    Lesson Plan
    Grades: 6th to 8th
    Ratio & Proportion
    Expression/Equation
    Stats & Probability
    Functions
    Analyze proportional relationships and use them to solve real-world and mathematical problems.
    Represent and analyze quantitative relationships between dependent and independent variables.
    Reason about and solve one-variable equations and inequalities.
    Investigate patterns of association in bivariate data.
    Use functions to model relationships between quantities.
    Understand the connections between proportional relationships, lines, and linear equations.
    Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
    7.EE.B.4a, 8.EE.B.6, 8.F.B.4, 8.SP.A.2, 8.SP.A.3, 6.EE.B.6, 6.EE.C.9, 7.RP.A.2b, 7.RP.A.2c
    Play card and computer games by adding fractions to make 1.
    Lesson Plan
    Grades: 6th to 8th
    Expression/Equation
    The Number System
    Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
    Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
    7.NS.A.1b, 7.NS.A.1c, 7.NS.A.1d, 7.NS.A.3, 7.EE.B.3
    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
    Use ratios, unit rates, and proportions to solve a fictitious bank robbery.
    Lesson Plan
    Grades: 6th to 8th
    Expression/Equation
    The Number System
    Ratio & Proportion
    Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
    Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
    Analyze proportional relationships and use them to solve real-world and mathematical problems.
    Understand ratio concepts and use ratio reasoning to solve problems.
    6.RP.A.1, 6.RP.A.2, 6.RP.A.3a, 6.RP.A.3b, 7.RP.A.1, 7.RP.A.3, 7.NS.A.3, 7.EE.B.3
    Play the role of researchers who field test the Alexander Formula—a formula that uses paleontology data to estimate dinosaur running velocities.
    Lesson Plan
    Grades: 6th to 8th, 3rd to 5th
    Ratio & Proportion
    Stats & Probability
    Functions
    Expression/Equation
    Measurement & Data
    Analyze proportional relationships and use them to solve real-world and mathematical problems.
    Investigate patterns of association in bivariate data.
    Use functions to model relationships between quantities.
    Summarize and describe distributions.
    Represent and analyze quantitative relationships between dependent and independent variables.
    Reason about and solve one-variable equations and inequalities.
    Represent and interpret data.
    3.MD.B.4, 6.EE.B.6, 6.EE.C.9, 6.SP.B.5b, 8.F.B.4, 8.SP.A.1, 8.SP.A.2, 8.SP.A.3, 7.RP.A.2c
    Integrate finding probability and strategic play in the Calculation Nation® game, Prime Time.
    Lesson Plan
    Grades: 6th to 8th
    Stats & Probability
    Investigate chance processes and develop, use, and evaluate probability models.
    7.SP.C.5, 7.SP.C.6, 7.SP.C.7b
    Enlighten students about how to calculate percent of calories from fat, carbohydrates, and protein.
    Lesson Plan
    Grades: 6th to 8th
    The Number System
    Ratio & Proportion
    Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
    Understand ratio concepts and use ratio reasoning to solve problems.
    6.RP.A.3c, 7.NS.A.3
    Explore the concept of slope through a student-centered problem of data collection and evaluation.
    Lesson Plan
    Grades: 6th to 8th
    Ratio & Proportion
    Functions
    Expression/Equation
    Geometry
    Analyze proportional relationships and use them to solve real-world and mathematical problems.
    Use functions to model relationships between quantities.
    Understand the connections between proportional relationships, lines, and linear equations.
    Draw construct, and describe geometrical figures and describe the relationships between them.
    7.G.A.1, 8.EE.B.6, 8.F.B.4, 7.RP.A.2b
    Create aluminum foil boats and then test them by filling them with plastic bears until they sink. The data is collected and used to make two class box-and-whisker plots with some surprising results.
    Lesson Plan
    Grades: 6th to 8th, 3rd to 5th
    Stats & Probability
    Draw informal comparative inferences about two populations.
    Summarize and describe distributions.
    Develop understanding of statistical variability.
    Investigate patterns of association in bivariate data.
    6.SP.A.3, 6.SP.B.4, 6.SP.B.5c, 8.SP.A.1, 6.SP.A.1, 6.SP.A.2, 6.SP.B.5a, 7.SP.B.3, 7.SP.B.4
    Build a high-profit yielding hotel using snap cubes.
    Lesson Plan
    Grades: 6th to 8th, 3rd to 5th
    Expression/Equation
    The Number System
    Ratio & Proportion
    Measurement & Data
    Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
    Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
    Understand ratio concepts and use ratio reasoning to solve problems.
    Geometric measurement: understand concepts of area and relate area to multiplication and to addition.
    3.MD.C.6, 6.RP.A.3c, 7.NS.A.3, 7.EE.B.3
    Construct the 12 pentomino figures, and utilize them to explore area and perimeter.
    Lesson Plan
    Grades: 3rd to 5th, 6th to 8th, PreK to 2nd, Pre K to 2nd
    Measurement & Data
    Geometry
    Geometric measurement: understand concepts of area and relate area to multiplication and to addition.
    Solve real-life and mathematical problems involving angle measure, area, surface area, and volume.
    Draw construct, and describe geometrical figures and describe the relationships between them.
    Classify two-dimensional figures into categories based on their properties.
    Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures.
    Reason with shapes and their attributes.
    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, K.G.B.5, K.G.B.6, 1.G.A.1, 1.G.A.2, 2.G.A.1, 3.MD.C.5a, 3.MD.C.5b, 3.MD.C.6, 3.MD.D.8, 5.G.B.4, 7.G.A.2, 7.G.B.6, 3.MD.C.7d

    Use geoboards to construct non-traditional, "tilted" squares whose side lengths are irrational numbers.

    Lesson Plan
    Grades: 6th to 8th
    Expression/Equation
    The Number System
    Work with radicals and integer exponents.
    Know that there are numbers that are not rational, and approximate them by rational numbers.
    8.NS.A.1, 8.NS.A.2, 8.EE.A.2
    Conduct a coin tossing experiment to discover a line graph that progresses toward the theoretical probability.
    Lesson Plan
    Grades: 6th to 8th
    Stats & Probability
    Ratio & Proportion
    Investigate chance processes and develop, use, and evaluate probability models.
    Understand ratio concepts and use ratio reasoning to solve problems.
    6.RP.A.1, 6.RP.A.3a, 7.SP.C.5, 7.SP.C.6, 7.SP.C.7a, 7.SP.C.7b, 7.SP.C.8c
    Discover the area formula for trapezoids, and explore alternative methods for calculating the area of a trapezoid.
    Grades: 6th to 8th
    Geometry
    Solve real-world and mathematical problems involving area, surface area, and volume.
    6.G.A.1
    1 - 20 of 124 results
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